- StLCoP Library Online Catalog (Archway) - The online catalog for books, journals, AV, etc., held at St. Louis College of Pharmacy's library.
- MOBIUS Union Catalog - The library catalog for over 14 million items found in the academic libraries of 50 Missouri colleges and universities. StLCoP users may use MOBIUS to directly request books for delivery to StLCoP.
- Becker Medical Library - Washington University School of Medicine - Located on Euclid Avenue two blocks south of StLCoP.
- ILLINET - A catalog for the Illinois Library Computer Systems Organization (ILCSO), a constortium of 45 Illinois academic libraries. Similar to MOBIUS, but without direct borrowing privileges.
- St. Louis County Public Library
- St. Louis Public Library (City)
- St. Louis Research Libraries Consortium - Comprised of collections found at the Missouri Botanical Garden, the Missouri Historical Society, and the St. Louis Art Museum. Collections may be searched individually or simultaneously.