The 30-volume encyclopedia called Dictionary of Art is a great place to start. It is available in print only in the library on the Salem Campus.
The Dictionary of Art by 
The Oxford Dictionary of Art by Illustrated Dictionary of Art Terms by 
Dictionary of Subjects and Symbols in Art by 
Dictionary of Symbols in Western Art by 
Illustrated Dictionary of Symbols in Eastern and Western Art by 
The Dent Dictionary of Symbols in Christian Art by 
The Oxford Companion to Classical Literature by 
The Oxford Guide to Classical Mythology in the Arts, 1300-1990s by 
Who's Who in Egyptian Mythology by 
