The Library of Congress Classification (LCC) is a system of library classification developed by the Library of Congress in the United States. It is used by most research and academic libraries in the U.S. and several other countries.
LCC should not be confused with LCCN, the system of Library of Congress Control Numbers assigned to all books (and authors), which also defines URLs of their online catalog entries, such as "42037605" and "https://lccn.loc.gov/42037605". The Classification is also distinct from Library of Congress Subject Headings, the system of labels such as "Boarding schools" and "Boarding schools—Fiction" that describe contents systematically. Finally, the classifications may be distinguished from the call numbers assigned to particular copies of books in the collection, such as "PZ7.J684 Wj 1982 FT MEADE Copy 1" where the classification is "PZ7.J684 Wj 1982".
The classification was invented by Herbert Putnam in 1897, just before he assumed the librarianship of Congress. With advice from Charles Ammi Cutter, it was influenced by his Cutter Expansive Classification, the Dewey Decimal System, and the Putnam Classification System (developed while Putnam was head librarian at the Minneapolis Public Library).It was designed specifically for the purposes and collection of the Library of Congress to replace the fixed location system developed by Thomas Jefferson. By the time Putnam departed from his post in 1939, all the classes except K (Law) and parts of B (Philosophy and Religion) were well developed.
LCC has been criticized for lacking a sound theoretical basis; many of the classification decisions were driven by the practical needs of that library rather than epistemological considerations.Although it divides subjects into broad categories, it is essentially enumerative in nature. That is, it provides a guide to the books actually in one library's collections, not a classification of the world.
In 2007 The Wall Street Journal reported that in the countries it surveyed most public libraries and small academic libraries used the older Dewey Decimal Classification system.
The National Library of Medicine classification system (NLM) uses the initial letters W and QS–QZ, which are not used by LCC. Some libraries use NLM in conjunction with LCC, eschewing LCC's R for Medicine. Others use LCC's QP–QR schedules and include Medicine R.[ clarification needed ]
|B||Philosophy. Psychology. Religion|
|C||Auxiliary Sciences of History|
|D||World History and History of Europe, Asia, Africa, Australia, New Zealand, etc..|
|E||History of America|
|F||History of the Americas|
|G||Geography, Anthropology, and Recreation|
|P||Language and Literature|
|Z||Bibliography, Library Science, and General Information Resources|
The Bliss bibliographic classification (BC) is a library classification system that was created by Henry E. Bliss (1870–1955) and published in four volumes between 1940 and 1953. Although originally devised in the United States, it was more commonly adopted by British libraries. A second edition of the system (BC2) has been in ongoing development in Britain since 1977.
Colon classification (CC) is a system of library classification developed by S. R. Ranganathan. It was the first ever faceted classification. The first edition was published in 1933. Since then, six more editions have been published. It is especially used in libraries in India.
The Cutter Expansive Classification system is a library classification system devised by Charles Ammi Cutter. The system was the basis for the top categories of the Library of Congress Classification.
The Dewey Decimal Classification (DDC), colloquially the Dewey Decimal System, is a proprietary library classification system first published in the United States by Melvil Dewey in 1876. Originally described in a four-page pamphlet, it has been expanded to multiple volumes and revised through 23 major editions, the latest printed in 2011. It is also available in an abridged version suitable for smaller libraries. OCLC, a non-profit cooperative that serves libraries, currently maintains the system and licenses online access to WebDewey, a continuously updated version for catalogers.
A library classification is a system of knowledge organization by which library resources are arranged and ordered systematically. Library classifications use a notational system that represents the order of topics in the classification and allows items to be stored in that order. Library classification systems group related materials together, typically arranged as a hierarchical tree structure. A different kind of classification system, called a faceted classification system, is also widely used, which allows the assignment of multiple classifications to an object, enabling the classifications to be ordered in many ways.
The Universal Decimal Classification (UDC) is a bibliographic and library classification representing the systematic arrangement of all branches of human knowledge organized as a coherent system in which knowledge fields are related and inter-linked. The UDC is an analytico-synthetic and faceted classification system featuring detailed vocabulary and syntax that enables powerful content indexing and information retrieval in large collections. Since 1991, the UDC has been owned and managed by the UDC Consortium, a non-profit international association of publishers with headquarters in The Hague (Netherlands).
Melville Louis Kossuth "Melvil" Dewey was an American librarian and educator, inventor of the Dewey Decimal system of library classification, and a founder of the Lake Placid Club. He resigned from the American Library Association due to allegations of sexual harassment, racism, and antisemitism in 1905.
An academic discipline or field of study is a branch of knowledge, taught and researched as part of higher education. A scholar's discipline is commonly defined by the university faculties and learned societies to which they belong and the academic journals in which they publish research.
Library Hotel by Library Hotel Collection is a 60-room boutique hotel in New York City, located at 299 Madison Avenue, near the New York Public Library Main Branch, Bryant Park, and Grand Central Terminal. The hotel was designed by architect Stephen B. Jacobs.
This is a conversion chart showing how the Dewey Decimal and Library of Congress Classification systems organize resources by concept, in part for the purpose of assigning call numbers. These two systems account for over 95% of the classification in United States libraries, and are used widely around the world.
The Nippon Decimal Classification is a system of library classification developed for mainly Japanese language books maintained by the Japan Library Association since 1956. It is based on the Dewey Decimal System. The system is based upon using each successive digit to divide into nine divisions with the digit zero used for those not belonging to any of the divisions.
The following outline is provided as an overview of and topical guide to library science:
The Korean decimal classification (KDC) is a system of library classification used in South Korea. The main classes are the same as in the Dewey Decimal Classification but these are in a different order: Natural sciences 400; Technology and engineering 500; Arts 600; Language 700.
Class V: Naval science is a classification used by the Library of Congress Classification system. This article outlines the subclasses of Class V.
Class M: Music is a classification used by the Library of Congress Classification system. This article outlines the subclasses of Class M.
Class J: Political science is a classification used by the Library of Congress Classification system. This article outlines the subclasses of Class J.
The New Classification Scheme for Chinese Libraries is a system of library classification developed by Yung-Hsiang Lai since 1956. It is modified from "A System of Book Classification for Chinese Libraries" of Liu Guojun, which is based on the Dewey Decimal System.
The Moys Classification Scheme is a system of library classification for legal materials. It was designed by Betty Moys and first published in 1968. It is used primarily in law libraries in many common law jurisdictions such as Canada, Australia, New Zealand, and the United Kingdom.
The Swedish library classification system,, or SAB system (SAB-systemet) is a library classification system for use in many public, school, and research libraries in Sweden. It primarily classifies books but is also used for other media, such as audio and video recordings. The first edition of the system was released in 1921 and was based on the classification that was used in the accession catalogs of the scientific libraries of that time. The abbreviation 'SAB' is for "Sveriges Allmänna Biblioteksförening". SAB merged with Svenska bibliotekariesamfundet to form present day Svensk Biblioteksförening.
Some 95% of U.S. public libraries use Dewey, and nearly all of the others, the OCLC says, use a closely related Library of Congress system.
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