Is a worldwide online union catalog that offers bibliographic and holdings information for thousands of libraries.
covers countless subjects
Dates of Coverage:
1000 C.E. to present
more than 412 million item records
more than 2.6 billion holdings records
It includes manuscripts written as early as the 11th century as well as books cataloged yesterday. It would be a challenge to name a book that would not have a record in this database. Numerous journal articles are also available through WorldCat.