Online Catalogs


Washington University Online Catalog

Search Washington University Danforth Campus Libraries' holdings, including the Law Library.  Includes Online Subscriptions, Journals (not specific articles), Books, E-Books, Microforms, and more. WU Online Catalog 

MOBIUS Union Catalog

The MOBIUS Catalog contains all WU holdings, not including the Medical School Library, plus the holdings of the libraries of most Missouri colleges and universities. Once requested, books are delivered to the library of your choice in 3-7 days.


Search OCLC's WorldCat database, with over 200 million bibliographic records from libraries in over 170 countries ... the world's largest library catalog.

WorldCat helps you find and verify materials - books, journals, etc. - that can be requested via Interlibrary Loan from thousands of libraries worldwide. We strongly recommend that you use  WorldCat in FirstSearch, if you are going to make or recommend an ILL request. provides "Googlesque" searching. Keep in mind that results are ranked by relevance, not availability.