What cataloging-related standards are developed and maintained at LC?
The Library of Congress is responsible for developing and maintaining a number of cataloging publications that serve as standards for cataloging library materials throughout the world, including: Library of Congress Rule Interpretations, Library of Congress Subject Headings, and Library of Congress Classification. Other cataloging documentation that address various formats of materials are also developed and maintained at LC (e.g., Map Cataloging Manual, CONSER Cataloging Manual) Standards that are necessary for record interchange between library systems are developed and maintained in LC’s Network Development & MARC Standards Office. These include U.S. Machine-Readable Cataloging (MARC) formats for bibliographic data, authorities data, classification data, holdings data, and community information, and numerous MARC 21 code lists. The Library is also the maintenance agency for the Z39.50 ANSI/NISO standard, “Information Retrieval (Z39.50): Application Service Definition and Protocol Sp
