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The LCCN numbering system has been in use since 1898, at which time the acronym LCCN originally stood for
Library of Congress Card Number. It has also been called the Library of Congress Catalog Card Number, among other names. The Library of Congress prepared cards of bibliographic information for
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In its most elementary form, the number includes a year and a serial number. The year has two digits for 1898 to 2000, and four digits beginning in 2001. The three ambiguous years (1898, 1899, and 1900) are distinguished by the size of the serial number. There are also some peculiarities in
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in the process of cataloging most books which have been published in the United States. It helps them reach the correct cataloging data (known as a cataloging record), which the
Library of Congress and third parties make available on the Web and through other media.
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Although most of the bibliographic information is now electronically created, stored, and shared with other libraries, there is still a need to identify each unique record, and the LCCN continues to perform that function.
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and would sell duplicate sets of the cards to other libraries for use in their catalogs. This is known as centralized cataloging. Each set of cards was given a serial number to help identify it.
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that is often seen separating the year and serial number is optional. More recently, the
Library of Congress has instructed publishers not to include a hyphen.
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In
February 2008, the Library of Congress created the LCCN Permalink service, providing a stable URL for all Library of Congress Control Numbers.
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112:. The leading zeros padding the number are a more recent addition to the format, so many older works will show less-full codes. The
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numbers beginning with a "7" because of an experiment applied between 1969 and 1972 which added a
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Bibliographic
Processing Cataloging Rules: Library of Congress Control Number (LCCN)
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235:"Library of Congress Update for 2008 ALA Annual Conference: January-May, 2008"
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Serial numbers are six digits long and should include
30:"LCCN" redirects here. For the denomination, see
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172:"Types of Numbers Found in LC Catalog Records"
289:Network Development and MARC Standards Office
209:Network Development and MARC Standards Office
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291:. Library of Congress. November 10, 2003.
259:"General Questions About LCCN Permalink"
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318:Library of Congress Name Authority File
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215:from the original on February 24, 2011
211:. Library of Congress. June 16, 2006.
353:Library cataloging and classification
295:from the original on October 30, 2017
265:from the original on January 19, 2021
182:from the original on January 25, 2021
205:"Structure of the LC Control Number"
152:Virtual International Authority File
147:Library of Congress Subject Headings
32:Lutheran Church of Christ in Nigeria
27:Numbering system for catalog records
84:all over the world use this unique
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141:International Standard Book Number
126:Accession number (library science)
59:Library of Congress Classification
39:Library of Congress Control Number
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176:Library of Congress Catalog
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329: (archived 2016-05-13)
136:Books in the United States
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49:based system of numbering
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261:. Library of Congress.
285:"The LCCN Namespace"
343:Library of Congress
247:on August 28, 2017.
240:Library of Congress
55:Library of Congress
131:Authority control
18:LCCN (identifier)
16:(Redirected from
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297:. Retrieved
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348:Identifiers
299:January 18,
269:January 18,
219:January 18,
186:January 18,
103:check digit
337:Categories
158:References
86:identifier
82:Librarians
51:cataloged
293:Archived
263:Archived
213:Archived
180:Archived
120:See also
47:serially
325:at the
65:History
61:(LCC).
45:) is a
143:(ISBN)
114:hyphen
96:Format
70:their
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43:LCCN
37:The
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