Don't forget to browse the stacks for books about Art History and the Media Resource Center for videos. Art titles are in the N's, found on the 2nd and 3rd (for oversize books) floors; World History is in the D's, found on the Lower Level.
Here is a sampling of relevant titles.
LibrarySearch is the library catalog of six private colleges and universities in the Twin Cities, including Saint Thomas. Possible topics: .Christian Art and Symbolism: Medieval, 500-1500; Middle Ages (there are many subdivisions); Cities and Towns, medieval; Architecture, Medieval; Mosques; Architecture, Early Christian; Synagogues--History; Church Architecture; Monasteries.
Use Interlibrary Loan to request books owned by libraries nationwide.