Library and Information Technology

Cataloging tool from the Library of Congress

letters and titles of the main classes of the Library of Congress Classification

Browse and view authority headings for Subject, Name, Title and Name/Title combinations; and download authority records in MARC format for use in a local library system.

Provides access to both the full and concise versions of the MARC 21 Format for Bibliographic Data.

Information about the Government Documents classification system from the University of Lethbridge

Created and organized by the American Library Association: a set of links and resources in support of library paraprofessionals and support staff.