Search results
The Library of Congress Control Number (LCCN) is a serially based system of numbering cataloged records in the Library of Congress, in the United States. It is not related to the contents of any book, and should not be confused with Library of Congress Classification (LCC).
- Network Development and Marc Standards Office Library of Congress
- Alphabetic Prefix
- Year
- Suffix/Alphabetic Identifier
- Revision Date
The LC control numbering system has had the same basic structure since its initial use to control Library of Congress bibliographic information in card form beginning in 1898 (LCCN structure A). On January 1, 2001, a structural change will occur (LCCN structure B). The basic control number has been fixed in length at 12 characters and will remain t...
Authority Record Prefixes The following alphabetic prefixes have been established by the Library of Congress for Authority records. They are used in both LCCN Structures A and B. Bibliographic Record Prefixes [Structure A Only] The following alphabetic prefixes were formally used by the Library of Congress for Bibliographic records. Since they were...
For control numbers assigned under the LCCN structure B beginning with the year 2001, the year portion consists of four digits. Bibliographic Records For control numbers assigned under LCCN structure A, the year portion consists of two digits representing the year the control number was assigned. In most numbers, the year portion reflects the year ...
All suffixes and alphabetic identifiers, except the revision date, appear in the MARC record as uppercase alphabetic characters. On printed card copy, suffixes appear after the LC control number separated by a slash. Suffixes have not been assigned since 1969 and they will be deleted from Library of Congress files in 1999. Alphabetic identifiers ap...
A revision date such as "r73" means that the record was changed in 1973. The revision date "r743"means that significant changes have been made to the record three times, the last being made in 1974. Revision information was separated from a suffix or an alphabetic identifier by one slash (/). If no suffixes or alphabetic identifiers are present, re...
The Library of Congress Classification (LCC) is a system of library classification developed by the Library of Congress in the United States, which can be used for shelving books in a library. LCC is mainly used by large research and academic libraries, while most public libraries and small academic libraries use the Dewey Decimal ...
Library of Congress Control Numbers (LCCNs) are record identifiers assigned by the Library of Congress to bibliographic and authority records. First established when the Library began printing catalog cards in 1898, these unique identifiers are assigned to records created when materials arrive at the Library.
The Library of Congress Control Number is a number given to an item in the Library of Congress. It is used to identify items in the Library's collection. Each number is issued as part of a series. It is not based on a classification system.
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.
Library of Congress Control Number. From an identifier: This is a redirect from a unique (alpha-)numerical identifier (like an EAN) to an article discussing that particular class of identifiers in mainspace. By convention the redirect must include the parenthetical disambiguator " (identifier)".
