Includes millions of records of resources in 400 languages owned by libraries around the world. Materials date back to the 11th century. Gustavus users may be able to borrow items they find in WorldCat searches via Interlibrary Loan (click the "Find It!" button). The database can also be searched through its free web interface, at worldcat.org. Access to WorldCat is provided by eLibraryMN (ELM).