UW Libraries catalog: includes the collections of the University Libraries, UW Law Library, and the American Heritage Center. http://uwcatalog.uwyo.edu/
Prospector: a unified catalog of twenty-three academic, public and special libraries in Colorado and Wyoming. UW students, faculty and staff can borrow materials from Prospector. http://prospector.coalliance.org/
Interlibrary Loan: UW students, faculty and staff can request books, journal volumes, journal articles and other materials, regardless of whether it is available in the UW Libraries, online or in libraries around the world. A free service! Interlibrary Loan link.