- Web Access
Worldwide catalog of materials held by 23,000 libraries in 63 countries on the OCLC network, with over 41 million records of books, periodicals, newspapers, maps, music, audio-visual materials, manuscripts, and more, in all languages. Updated daily.
Dates of coverage vary. (Chadwyck-Healey)
Updated annually. Directory of archives and manuscript collections in the United
States with descriptions of a repository's holdings. Repository records include
phone and fax numbers, hours of service, materials solicited, email and home
page URLs when available. Each collection record links to its corresponding repository
record. Integrates records from NUCMC (National Union Catalog of Manuscript Collections),
1959-1995; NIDS (National Inventory of Documentary Sources in the United States);
and Directory of Archives and Manuscript Repositories in the United States (1996).
Union List of Periodicals
Updated twice a year. Includes more than 7.4 million listings linked to over
750,000 bibliographic records in OCLC WorldCat. Provides local holdings information
so that users can search for locations of periodicals in their own and other