MARC formats Descriptive cataloging Study and teaching Subject headings, Library of Congress Classification, Library of Congress Names, Geographical (Cataloging) Subject heading subdivisions Subject headings Name American newspapers Methodology Authority files (Information retrieval) Data processing Bibliographical citations Catalog cards Cataloging Cataloging Data processing Cataloging Data processing Standards Cataloging of Hebrew imprints Cataloging of Jewish literature Cataloging of archival materials Cataloging of computer network resources Cataloging of foreign language publications Cataloging of motion pictures Cataloging of newspapers Cataloging of rare books Classification Books Anthropology Classification Books Geography Classification Books Recreation Classification Data processing Classification Maps Classification, Library of Congress Data processing Community information files Data processing Cross references (Information retrieval)