198:
454:
summarizing a careful selection of previously published works to place the new work in context (which is secondary material) before proceeding into a description of a novel idea (which is primary material). An author might write a book about an event that is mostly a synthesis of primary-source news stories (which is secondary material), but they might add occasional information about personal experiences or new material from recent interviews (which is primary material). The book about love letters might analyze the letters (which is secondary material) and provide a transcription of the letters in an appendix (which is primary material). The work based on previously published sources is
268:
738:
claims about how it or its products compare to similar companies and their products (e.g., "OurCo's Foo is better than Brand X"), although it will be acceptable for some simple, objective descriptions of the organization including annual revenue, number of staff, physical location of headquarters, and status as a parent or subsidiary organization to another. It is never an acceptable source for claims that evaluate or analyze the company or its actions, such as an analysis of its marketing strategies (e.g., "OurCo's sponsorship of
National Breast Cancer Month is an effective tool in expanding sales to middle-aged, middle-class American women").
249:. These secondary sources have advantages: The authors were not involved in the event, so they have the emotional distance that allows them to analyze the events dispassionately. They also have disadvantages: In some topic areas the authors are writing about what other people said happened and cannot use their own experience to correct any errors or omissions. The authors may be unable to see clearly through their own cultural lens, and the result may be that they unconsciously emphasize things important to their cultures and times, while overlooking things important to the actual actors.
709:, and see that it is a painting of a cow's skull on a background of red, white, and blue. It is not an acceptable source for claims about the artist's motivation, allusions or relationships to other works, the meaning of the figures in the painting, or any other matters of analysis, interpretation, or evaluation: Looking at the painting does not tell anyone why the artist chose these colors, whether she meant to evoke religious or patriotic sentiments, or what motivated the composition.
21:
843:"Characteristically, primary sources are contemporary to the events and people described In writing a narrative of the political turmoil surrounding the 2000 U.S. presidential election, a researcher will likely tap newspaper reports of that time for factual information on the events. The researcher will use these reports as primary sources because they offer direct or firsthand evidence of the events, as they first took place".
665:, and what words, dates, or names were on it. Anyone should be able to look at an image of the proclamation and see that it was all written on one page, whether it used that style of calligraphy, and so forth. The proclamation's authenticity, meaning, relevance, importance, typicality, influences, and so forth should all be left to the book that analyzed it, not to Knowledge's editors.
332:(handwritten or re-typed transcripts, digitally enhanced copies, or other methods of copying that might introduce changes or errors). Copies and derivatives retain the same status as the original in the primary-secondary-tertiary classification, unless the derivative is so different as to represent a transformative summary, in which case it becomes a tertiary source.
304:
usually considered secondary sources, although exceptions exist. For example, an account of the specific circumstances under which the critic viewed the artwork is primary material, as is the critics' description of their personal emotional reaction to the piece. As a result, some critiques and reviews are a mix of primary and secondary material.
595:"Primary" is not, and should not be, a bit of jargon used by Wikipedians to mean "bad" or "unreliable" or "unusable". While some primary sources are not fully independent, they can be authoritative, high-quality, accurate, fact-checked, expert-approved, subject to editorial control, and published by a reputable publisher.
955:
a basic description of the book's contents. Book reviews are often a mix of primary and secondary material: e.g., an analysis of some aspect of the book (secondary) plus the reviewer's rating or opinion about the book (primary). Simple plot summaries, synopses, other basic descriptions of a work's
166:
There are no quaternary sources: Either the source is primary, or it describes, comments on, or analyzes primary sources (in which case, it is secondary), or it relies heavily or entirely on secondary or tertiary sources (in which case, it is tertiary). The first published source for any given fact
763:
Just because topics are covered in primary sources does not mean that they are notable. Information about an author from the book jacket copy of the author's own book does not demonstrate notability, for example. Secondary sources are needed to establish notability for the purposes of deciding which
719:, own website, or a page about the person on an employer's or publisher's website, is an acceptable (although possibly incomplete) primary source for information about what the person says about themself. Such primary sources can normally be used for non-controversial facts about the person and for
695:
that the illustration really depicts the thing. For example, it is not necessary to provide other pictures of a person or place as supporting evidence that a photo insertion into
Knowledge is what the content provider claims that it is, except in the case of a dispute. Creating a photo and uploading
449:
inside the front of a book is a primary source for the date of the book's publication. Even if the book would normally be considered a secondary source, if the statement that you are using this source to support is the date of its own publication, then you are using that book as a primary source.
162:
Importantly, the concept developed to deal with "events", rather than ideas or abstract concepts. A primary source was a source that was created at about the same time as the event, regardless of the source's contents. So while a dictionary is an example of a tertiary source, an ancient dictionary
1023:
According to Yale
University: "Primary sources provide firsthand testimony or direct evidence concerning a topic or question under investigation. They are usually created by witnesses or recorders who experienced the events or conditions being documented. Often these sources are created at the time
394:
A secondary source is significantly separated from these primary sources. A reporter's notebook is an (unpublished) primary source, and the news story published by the reporter based on those notes is also a primary source. This is because the sole purpose of the notes in the notebook is to produce
380:
It's not a matter of counting up the number of sources in a chain. The first published source is always a primary source, but it is possible to have dozens of sources, without having any secondary or tertiary sources. If Alice writes down an idea, and Bob simply quotes her work, and Chris refers to
545:
a book about
Shakespeare's sonnets that happens to mention a modern cancer prevalence statistic). If the claim in question is scholarly, then scholarly sources from a relevant or related field are appropriate; if the claim is about business news, then a business news source is appropriate; if the
816:
Knowledge fairly often writes about current events. As a result, an event may happen on Monday afternoon, may be written about in
Tuesday morning's newspapers, and may be added to Knowledge just minutes later. Many editors—especially those with no training in historiography—call these newspaper
676:
and discover that the main character's name is
Elizabeth or that there are 61 chapters. It is not an acceptable source for claims about the book's style, themes, foreshadowing, symbolic meaning, values, importance, or other matters of critical analysis, interpretation, or evaluation: No one will
390:
A secondary source is built from primary sources. Secondary sources are not required to provide you with a bibliography, but you should have some reason to believe that the source is building on the foundation of prior sources rather than starting with all-new material. For example, century-old
644:
that any educated person—with access to the source but without specialist knowledge—will be able to verify are directly supported by the source. This person does not have to be able to determine that the material in the article or in the primary source is true. The goal is only that the person
406:
Reputable secondary sources are usually based on more than one primary source. High-quality secondary sources often synthesize multiple primary sources, in due proportion to the expert-determined quality of the primary sources. This helps us present the material in due proportion to the sources'
303:
In the fine arts, a work of art is always a primary source. This means that novels, plays, paintings, sculptures, and such are always primary sources. Statements made by or works written by the artists about their artwork might be primary or secondary. Critiques and reviews by art critics are
737:
The organization's own website is an acceptable (although possibly incomplete) primary source for information about what the company says about itself and for most basic facts about its history, products, employees, finances, and facilities. It is not likely to be an acceptable source for most
453:
More importantly, many high-quality sources contain both primary and secondary material. A textbook might include commentary on the proclamation (which is secondary material) as well as the full text of the proclamation (which is primary material). A peer-reviewed journal article may begin by
131:
Every possible combination of these three traits has been seen in sources on
Knowledge. Any combination of these three traits can produce a source that is usable for some purpose in a Knowledge article. Identifying these characteristics will help you determine how you can use these sources.
319:
an analysis, summary, or distillation of primary and/or secondary sources. In this system, an elderly woman's description of her wedding day from many decades before is a primary source; her granddaughter's plain repetition of that information to her schoolteacher is considered secondary by
568:
A primary source can have all of these qualities, and a secondary source may have none of them. Deciding whether primary, secondary or tertiary sources are appropriate on any given occasion is a matter of good editorial judgment and common sense, not merely mindless, knee-jerk reactions to
546:
claim is about people, then biographies of them are appropriate. A variety of source types will be appropriate for most articles, and the type of source appropriate in one part of an article may be different from the type of source that is appropriate for a different part of the article.
395:
the news report. If a journalist later reads dozens of these primary-source news reports and uses those articles to write a book about a major event, then this resulting work is a secondary source. This separation is not defined by the length of time that elapses or geographical distance.
839:
Supreme Court case would be read as a secondary source, because the author is interpreting an historical event. An article on the case that was published in 1955 could be read as a primary source that reveals how writers were interpreting the decision immediately after it was handed
241:
designed to pacify the conquered country, or omit politically inconvenient facts, or overstate the importance of other facts, or be designed to stroke the new ruler's ego. The diary will reflect the prejudices of its author, and its author might be unaware of relevant facts.
683:
The film itself is an acceptable primary source for information about the plot and the names of the characters. A Wikipedian cannot use the film as a source for claims about the film's themes, importance to the film genre, or other matters that require critical analysis or
846:"There can be grey areas when determining if an item is a primary source or a secondary source .... Traditionally, however, newspapers are considered primary sources. The key, in most cases, is determining the origin of the document and its proximity to the actual event".
944:
The newspaper publishes a week-long series of articles on health care systems in the nation. This is not merely a piece that provides one or two comments from someone who is labeled an "analyst" in the source, but is a major work that collects, compares, and analyzes
391:
love letters on display at a museum are primary sources; a secondary source might analyze the contents of these letters. The fact that the analysis is based on these letters would be evident from the description in the source, even if the paper contained no footnotes.
256:. It has advantages: it summarizes information. It also has disadvantages: in relying on the secondary source, the encyclopedia article will repeat, and may accidentally amplify, any distortions or errors in that source. It may also add its own interpretation.
690:
Suppose that a
Wikimedia contributor inserts a photograph or other media file to illustrate a Knowledge article on a person, place, or other topic. Editors who do this routinely assert that the photograph depicts the subject of the article. The Wikimedia community
320:
genealogists, and if the schoolteacher goes home that evening and writes down what the granddaughter said, then the schoolteacher is producing a tertiary source. In other systems, all of these sources are primary. Genealogists also differentiate between
731:, and court documents, are usually not acceptable primary sources, because it is impossible for the viewer to know whether the person listed on the document is the notable subject rather than another person who happens to have the same name.
197:
279:
In science, data is primary, and the first publication of any idea or experimental result is always a primary source. These publications, which may be in peer-reviewed journal articles or in some other form, are often called the
376:
on the proclamation) with no analysis or commentary, then the book is just a newly printed copy of the primary source, rather than being a secondary source. The text and images of the proclamation always remain primary sources.
381:
Bob's quotation, and Daisy cites Chris, and so forth, you very likely have a string of primary sources, rather than one primary, one secondary, one tertiary, and all subsequent sources with made-up classification names.
335:
In some disciplines, notably law, the concept of tertiary sources is not used. In this two-part system, what would typically be classified as a tertiary source by other disciplines is lumped in with secondary sources.
237:. These primary sources have advantages: they were written at the time, and so are free of the opinions and fictions imposed by later generations. They also have disadvantages: the proclamation may contain
671:
The novel itself is an acceptable primary source for information about the plot, the names of the characters, the number of chapters, or other contents in the book: Any educated person can read Jane Austen's
702:
The painting itself is an acceptable primary source for information about the colors, shapes, and figures in the painting. Any person with the relevant knowledge and ability can look at
Georgia O'Keeffe's
402:
provides analysis, commentary, evaluation, context, and interpretation. It is this act of going beyond simple description, and telling us the meaning behind the simple facts, that makes them valuable to
1003:
572:
832:" always easy to distinguish primary from secondary sources. A newspaper article is a primary source if it reports events, but a secondary source if it analyses and comments on those events".
445:
Every source is the primary source for something, whether it be the name of the author, its title, its date of publication, and so forth. For example, no matter what kind of book it is, the
372:
The answer is: not always. If the book merely quotes the proclamation (such as re-printing a section in a sidebar or the full text in an appendix, or showing an image of the signature or the
925:
508:, authoritative, high-quality, accurate, fact-checked, expert-approved, subject to editorial control, or published by a reputable publisher. Secondary sources can be unreliable, biased,
185:
is used on
Knowledge. This page deals primarily with the classification of reliable sources in terms of article content. The classification used specifically for notability is addressed
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339:
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The magazine publishes a touching story about a child with a congenital heart defect. The society column in the newspaper reports the birthday of a prominent local citizen.
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The newspaper editorial staff announces its support for a proposed law. The syndicated columnist explains their idea for fixing the economy. (Defined as a primary source
835:"In the humanities, age is an important factor in determining whether an article is a primary or secondary source. A recently published journal or newspaper article on the
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could compare the primary source with the material in the Knowledge article, and agree that the primary source actually, directly says just what the article says it does.
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It is "appropriate for the material in question". An appropriate source should be directly about the subject, rather than mentioning something unrelated in passing (e.g.,
938:. A newspaper column lists the events reported in that newspaper on the same date from 25, 50, 75, and 100 years before and comments on their relevance to modern times.
904:
The journalist goes undercover and reports their experiences. The journalist meets with people and reads documents to uncover corruption. (Defined as a primary source
614:. In such cases, the original document is the best source because the original document will be free of any errors or misquotations introduced by subsequent sources.
259:
This sort of simple example is what the source classification system was intended to deal with. It has been stretched to cover much more complicated situations.
964:. Just because most newspaper articles are primary sources does not mean that these articles are not reliable and often highly desirable independent sources.
106:
882:
The newspaper journalist describes the discussions from a meeting of the local school agency. The radio announcer reports the arrest of an alleged criminal.
870:
stands in front of a burning house and describes the fire. The newspaper journalist describes the scene of a major car wreck that their editor sent them to.
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A person's or an organization's website could contain some secondary material about itself, although this is not very common. Such material would still be
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The proclamation itself is an acceptable primary source for a simple description of the proclamation, including its size, whether it was written in
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The wire service announces that a prominent politician has been taken to the hospital. The weather service says that a tornado has touched down.
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when the events or conditions are occurring, but primary sources can also include autobiographies, memoirs, and oral histories recorded later".
696:
it for use in Wikimedia projects is an act of creating a primary source without third-party publishing and review by any established authority.
495:
415:
384:
991:
1098:
824:'s guide to comparative literature lists newspaper articles as both primary and secondary sources, depending on whether they contain an
159:. The point was to give historians a handy way to indicate how close the source of a piece of information was to the actual events.
29:
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as well as first-party/affiliated/non-independent material, and thus would still be subject to restrictions in how you can use it.
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articles "secondary sources". Most reliable sources in academia name typical contemporary newspaper stories as primary sources.
500:"Secondary" is not, and should not be, a bit of jargon used by Wikipedians to mean "good" or "reliable" or "usable". Secondary
973:
603:
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Several academic research guides name newspaper articles written at the same time as the event as one kind of primary source.
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Consider the simple example above: the original proclamation is a primary source. Is the book necessarily a secondary source?
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Material based on primary sources can be valuable and appropriate additions to Knowledge articles, but only in the form of
307:
Among genealogists, a primary source comes from a direct witness, a secondary source comes from second-hand information or
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Imagine that an army conquered a small country 200 years ago, and as a Knowledge editor you have the following sources:
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The reporter quotes the politician's speech. The talk show host interviews a celebrity. (Defined as a primary source
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181:. Knowledge does not use these terms exactly like academics use them. There are at least two ways in which the term
783:. Once a couple of years have passed, if no true secondary sources can be found, the article is usually deleted.
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be used. Sometimes, a primary source is even the best possible source, such as when you are supporting a direct
611:
45:
This page provides additional information about concepts in the page(s) it supplements. This page is not one of
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of primary source material. Other university libraries address newspaper sources in more detail, for instance:
33:
854:. While most news stories are considered primary sources, some can be secondary sources, as explained below.
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requirement that secondary sources exist. It is difficult, if not impossible, to find secondary sources for
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articles to keep. Topics that are only covered briefly or in poor quality secondary sources may not meet the
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This page deals primarily with the last question: Identifying and correctly using primary sources.
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In determining the type of source, there are three separate, basic characteristics to identify:
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It has a professional structure in place for deciding whether to publish something, such as
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requires careful thought and some extra knowledge on the part of Knowledge's editors.
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1057:"Library Research Guide: History of Science: Introduction: What is a Primary Source?"
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A special television program is broadcast to mark the 60th anniversary of the end of
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328:(photographs, photocopies or unaltered digital scans) of the original documents, and
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The historians' concept has been extended into other fields, with partial success.
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It is a third-party or independent source, with no significant financial or other
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an encyclopedia entry written last year, based on both the book and the journal.
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411:), rather than in proportion due to the size of the sources' publicity budgets.
300:(rather than merely citing or describing) these original experimental reports.
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an academic journal article written two years ago that examines the diary, and
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is actually a primary source—for the meanings of words in the ancient world.
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527:, reliable sources have most, if not all, of the following characteristics:
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Book reviews are generally secondary sources if they provide information
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Knowledge:Primary and secondary source paradoxes in law-related articles
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The initial publication of data from a scientific experiment, such as a
116:, or is it closely affiliated with the subject? (For this question, see
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810:
1203:. Bentley Historical Library, University of Michigan. Archived from
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The term "news-reporting media" is used here in the sense of actual
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a diary written by someone who lived at the time and talks about it,
1099:"Comparative Literature: Primary, Secondary & Tertiary Sources"
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and other media reporting news in a manner similar to newspapers.
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controversial statements. Many other primary sources, including
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How you use the source affects the classification of the source.
308:
178:
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An article about the conquest of the hypothetical country above:
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told to others by witnesses, and tertiary sources can represent
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AFDs (articles for deletion) require showing that topics meet
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by a reputable publishing house, rather than by the author(s).
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a book written 150 years later that analyzes the proclamation,
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a proclamation of victory written at the time of the conquest,
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a secondary source; the new information is a primary source.
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are considered secondary sources, because they are based on
967:
569:
classification of a source as "primary" or "secondary".
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Not a matter of counting the number of links in the chain
850:
Similar definitions of primary sources are cited by the
1039:"Primary sources: A guide for historians: Introduction"
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Are news-reporting media secondary or primary sources?
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actual importance (in other words, assign appropriate
107:
Knowledge:Identifying and using self-published sources
1048:"Finding Historical Primary Sources: Getting Started"
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find a direct statement of this material in the book.
186:
1125:"Primary, secondary and tertiary sources: Secondary"
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Knowledge:Frequently misinterpreted sourcing policy
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Knowledge:Identifying and using independent sources
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It has a reputation for fact-checking and accuracy.
205:, like this handwritten manuscript from 1798, is a
284:to differentiate them from unpublished sources.
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986:Knowledge:Identifying and using tertiary sources
177:Knowledge, like many institutions, has its own
1131:. Queensland, Australia: James Cook University
926:Examples of news reports as secondary sources
496:Knowledge:Secondary does not mean independent
1201:"Primary and Secondary Sources: An Overview"
992:Knowledge:Identifying and using style guides
661:calligraphy, whether it is signed or has an
1178:"Identifying Primary and Secondary Sources"
962:"Primary" is not another way to spell "bad"
858:Examples of news reports as primary sources
155:originated with the academic discipline of
1101:. Yale University Library. Archived from
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1153:. Ithaca College Library. Archived from
618:Primary sources should be used carefully
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233:Both the proclamation and the diary are
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1230:Knowledge essays about reliable sources
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956:contents are generally primary sources.
38:Primary, secondary and tertiary sources
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974:Knowledge:Identifying reliable sources
642:straightforward descriptive statements
416:All sources are primary for something
385:Characteristics of a secondary source
245:The book and the journal article are
92:Identifying and using primary sources
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891:Interviews and reports of interviews
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773:the general notability guideline's
688:Providing an original illustration
51:thoroughly vetted by the community
47:Knowledge's policies or guidelines
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706:Cow's Skull: Red, White, and Blue
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759:Secondary sources for notability
465:"Secondary" does not mean "good"
187:in a separate section at the end
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1151:"Primary and Secondary Sources"
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1041:. Princeton University Library.
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1180:. Indiana University Libraries
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252:The encyclopedia article is a
34:Knowledge:No original research
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1059:. Harvard University Library.
573:"Primary" does not mean "bad"
171:considered a primary source.
118:Knowledge:Independent sources
1225:Knowledge supplemental pages
766:general notability guideline
735:An article about a business:
700:An article about a painting:
525:identifying reliable sources
315:a further link in the chain
7:
852:policy on original research
837:Brown v. Board of Education
729:Social Security Death Index
10:
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1176:González, Luis A. (2014).
911:Editorials, opinions, and
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713:An article about a person:
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114:independent or third-party
105:or not? (If so, then see
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1084:"Primary Sources at Yale"
669:An article about a novel:
263:Fields other than history
1050:. UC Berkeley Libraries.
681:An article about a film:
504:mean that the source is
298:and analyze or interpret
193:How to classify a source
1199:Sanford, Emily (2010).
885:Human interest stories
777:run-of-the-mill events
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275:, is a primary source.
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139:Background information
1207:on 22 September 2011.
901:Investigative reports
494:Further information:
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1129:libguides.jcu.edu.au
551:conflict of interest
324:documents, accurate
1105:on February 6, 2017
674:Pride and Prejudice
486:WP:SECONDARYNOTGOOD
398:A secondary source
49:as it has not been
1086:. Yale University.
1037:Knowlton, Steven.
941:Analytical reports
931:Historical reports
725:birth certificates
721:clearly attributed
693:assumes good faith
354:WP:NOTLINKSINCHAIN
290:systematic reviews
282:primary literature
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211:
1033:See for example:
879:Reports on events
521:content guideline
519:According to our
286:Narrative reviews
247:secondary sources
88:Explanatory essay
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30:explanatory essay
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1109:February 10,
1107:. Retrieved
1103:the original
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945:information.
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976:(guideline)
659:blackletter
606:, and they
562:peer review
506:independent
330:derivatives
28:This is an
1219:Categories
1070:References
811:newspapers
564:processes.
403:Knowledge.
239:propaganda
40:subsection
32:about the
1184:March 18,
919:by policy
906:by policy
896:by policy
612:quotation
558:editorial
536:published
471:Shortcuts
422:Shortcuts
409:WP:WEIGHT
346:Shortcuts
149:secondary
61:Shortcuts
1161:June 15,
968:See also
793:Shortcut
649:Examples
624:Shortcut
604:reliable
579:Shortcut
502:does not
456:probably
322:original
1006:(essay)
1000:(essay)
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988:(essay)
982:(essay)
960:Again,
400:usually
309:hearsay
179:lexicon
145:primary
127:or not?
125:primary
953:beyond
913:op-eds
840:down".
727:, the
534:It is
326:copies
313:either
169:always
151:, and
1011:Notes
1186:2021
1163:2017
1137:2020
1111:2017
779:and
512:and
292:and
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608:can
602:be
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