Library of Congress staff are able to help you identify and request materials in general and specialized reading rooms. Anyone 16 years or older can come in to use the Library (learn more about how to obtain a free Reader Identification Card). We invite you to explore our resources, both online and at the Library. Video Tutorials
The Library of Congress is the nation's oldest federal cultural institution, and it serves as the research arm of Congress. It is also the largest library in the world, with more than 162 million items. The collections include books, sound recordings, motion pictures, photographs, maps, and manuscripts.
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To filter your search, toggle open Add Limits and select: Year Published/Created of the material; Language of the material; Type of material (e.g., book, periodical, music score) Location of the collection within the Library of Congress; Place of Publication (e.g., country, state, province) Searches in the LC Catalog can return thousands of ...
Apr 04, 2013 · The Library of Congress is the largest library in the world and has been collecting and cataloging materials for over 200 years. However, contrary to popular belief, the Library of Congress does not contain copies of every work ever published in the United States.
- Richard Stim
Use the Library of Congress’ Advanced Search feature to narrow down your search results. To find history books about a place, click Library Catalog and run a subject search on the name of a town, county or state and the word history. Use the standard state abbreviation, but try the state’s full name, too.
Oct 01, 2014 · The Library of Congress Classification (LCC) is a classification system that was first developed in the late nineteenth and early twentieth centuries to organize and arrange the book collections of the Library of Congress. Over the course of the twentieth century, the system was adopted for use by other libraries as well, especially large ...
The Library of Congress, spurred by the 1897 reorganization, began to grow and develop more rapidly. Spofford's successor John Russell Young, though only in office for two years, overhauled the library's bureaucracy, used his connections as a former diplomat to acquire more materials from around the world, and established the library's first assistance programs for the blind and physically ...
- April 24, 1800; 220 years ago
- Library does not publicly circulate
- Washington, D.C., United States
Aug 26, 2020 · The Library of Congress has one of the world's premier collections of U.S. and foreign genealogical and local historical publications. The Library's genealogy collection began as early as 1815 when Thomas Jefferson's library was purchased.
- Digital Object Identifiers
International Standard Book Numbers (ISBN opens in a new window) are internationally-recognized product identifiers used by publishers, libraries, internet retailers, and the book trade to identify and manage text-based monographs. These numbers incorporate information identifying the ISBN registrant as well as the specific title, edition, and format of a publication. Until 2006, ISBNs were 10 digits long; in January 2007, these numbers expanded to 13 digits - calculated using a specific math...
International Standard Serial Numbers (ISSN) are internationally-recognized identifiers used by publishers, libraries, internet retailers, and the journal and newspaper trade to identify and manage serials. These numbers are 8 digits long (four number, hyphen, four numbers) and are assigned by a network of nearly 90 ISSN centers worldwide coordinated by the ISSN International Center opens in a new window located in Paris (the US ISSN Center is part of the Library of Congress). In 2007, the IS...
International Standard Music Numbers (ISMN opens in a new window) are unique internationally-recognized identifiers used by publishers, libraries, internet retailers, and the music trade to identify and manage notated music. Until 2007, ISMNs were 10 digits long, beginning with the letter M followed by nine digits. In January 2008, the letter M was dropped and ISMN were expanded to 13 digits - calculated using a specific mathematical formula compatible with the 13-digit number used in barcode...
The Dewey Decimal Classification Number (DDC opens in a new window) is a general knowledge organization tool created by Melvil Dewey in 1873. Continuously revised, DDC is currently published by OCLC opens in a new window.The Library of Congress assigns Dewey numbers to nearly all US trade imprints, including all titles cataloged in the Cataloging in Publication (CIP) program, and to many books in English, French, German, Italian, Spanish, and Portuguese. While many LC Catalog book records con...
The Superintendent of Documents Classification (SuDoc ) is a classification system developed at the turn of the 20th century by the Superintendent of Documents, US Government Printing Office (GPO), to help organize its large and rapidly growing mass of federal government publications. With the constant creation and relocation of federal agencies and bureaus, GPO works closely with US government agencies to ensure that SuDoc classification numbers remain current.SuDoc numbers included LC Catal...
Digital Object Identifiers (DOIs ) are unique, persistent identifiers that help you identify and locate content on the web. Assigned and managed by registration agencies of the International DOI Foundation) . DOIs use the same underlying resolution framework as LC handles. Each DOI is made up of a prefix (starting with 10. plus four digits that specify the registering organization), followed by a forward slash and an alphanumeric suffix that identifes the content object. DOI suffixes can inco...