Other Library catalogs
- WorldCat - Advanced search options.
- MadCat - The UW-Madison Library catalog.
- WISCAT - A combined catalog of holdings at libraries throughout Wisconsin.
- Beloit Public Library - RockCat - Catalog of Arrowhead Library System, Rock County, including Beloit Public Library.
- ArchiveGrid - A catalog of archival collection descriptions from thousands of libraries, museums, and archives.
- Library of Congress, Washington, D.C., Library catalog.