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  1. www.loc.gov › visit › maps-and-floor-plansMaps & Floor Plans | Visiting the Library | Library of Congress

    Campus Map. The Library of Congress occupies three buildings on Capitol Hill. The buildings are remarkable public spaces and public works of art. Each is named after a President of the United States who has a strong connection with the creation of Congress’s library.

    • Other Locations

      Other Locations - Maps & Floor Plans | Visiting the Library...

    • Basement

      Basement - Maps & Floor Plans | Visiting the Library |...

    • Cafeterias

      Cafeterias - Maps & Floor Plans | Visiting the Library |...

    • Hispanic

      Hispanic - Maps & Floor Plans | Visiting the Library |...

  2. catalog.loc.gov › en_US › htdocsSearch/Browse Help - Number Searches ... - Library of Congress

    • ISBN
    • ISSN
    • ISMN
    • DDC
    • Sudoc
    • 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 form...

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    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 numbers, hyphen, four numbers) and are assigned by a network of more than 90 ISSN centers worldwide coord...

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    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...

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    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 ...

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    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 an...

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    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 spe...

    See full list on catalog.loc.gov

  3. www.loc.gov › maps › collectionsCollections with Maps | Maps | Library ... - Library of Congress

    The Library of Congress has custody of the largest and most comprehensive cartographic collection in the world with collections numbering over 5.5 million maps, 80,000 atlases, 6,000 reference works, over 500 globes and globe gores, 3,000 raised relief models, and a large number of cartographic materials in other formats, including over 19,000 ...

  4. guides.loc.gov › using-the-map-collectionsCataloging Cartographic Materials - Library of Congress

    Jul 3, 2024 · Most maps acquired since 1968 have been made available in the catalog which are searchable by geographic area, title, author, and subject, as well as by call number in the Library of Congress Online Catalog. Catalog records for current acquisitions continue to be added to the automated system.

  5. guides.loc.gov › using-the-libraryLibrary of Congress Geography & Maps: An Illustrated Guide

    Sep 25, 2024 · The links below provide important information for researchers to review prior to visiting the Library of Congress. Frequently Asked Questions for Researchers; Hours of Operation and Maps/Locations; Accessing Library of Congress Buildings; Conduct and Personal Belongings Restrictions; Wireless Access at the Library of Congress; Research ...

  6. www.loc.gov › about › general-informationGeneral Information | About the Library - Library of Congress

    Today's Library of Congress is an unparalleled world resource. The collection includes millions cataloged books and other print materials in 470 languages; millions of manuscripts; the largest rare book collection in North America; and the world's largest collection of legal materials, films, maps, sheet music and sound recordings.

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  8. ask.loc.gov › map-geography › faqFrequently Asked Questions: Maps, Geography - Library of Congress

    Jan 2, 2024 · You can view and download the digitized maps the Library holds on the Sanborn Maps Collection website. It can be easier to search for specific states, counties, or cities using our Sanborn advanced search .