WorldCat (Unlimited Access)

WorldCat is a publicly accessible shared catalogue (OPAC) of materials in collections from more than 72,000 libraries from 170 countries of the world. Coverage includes over 300 million bibliographic records of books, journals, articles, maps, sheet music, CDs, audio and video material, web contents, and other classical or digital material in over 470 languages.

Update: Daily

Multidisciplinary Fields Library Catalogues

Provider: OCLC