Online Catalog (books, periodicals, audiovisual, etc.)
Use the catalog to login to your library account, renew items and check the status of inter-library loan books, and search for library materials.

I-Share Catalog
This catalog includes 76 libraries in Illinois, and allows patrons to place inter-library loan requests.

Classic Catalog
This version of the catalog includes an advanced search with more options.

WorldCat
The WorldCat catalog through OCLC's FirstSearch includes the holdings of over 70,000 libraries. A freely available customized version of Worldcat.org is also available, as well as a WorldCat Mobile ap for phones.

CRRA Catholic Portal
The Catholic Research Resources Alliance provides the Catholic Portal, a catalog of rare, unique and uncommon research materials relating to every aspect of the Catholic experience, which are held by college, university, and seminary libraries and archives in North America.

ArchiveGrid
Search here for information on archival collections at major research libraries.