The Library Corporation (TLC) has its collection of 21 MARC (MAchine-Readable Cataloging) manuals and other reference works relating to library technical services freely available on the web. Library of Congress publications and the Anglo-American Cataloguing Rules (AACR2) were the basis for the content and arrangement of many of the manuals contained at this site. There are cataloging manuals for...

A handy tool for librarians, Library of Congress (LC) Authorities is a new feature that allows users the opportunity to better access LC authority data via the Internet. Downloadable in MARC format, users can browse authority headings by subject, name, title, or name/ title indexes. In order to ensure optimum system performance for public users and staff, LC has limited external simultaneous...