Another good place to start familiarizing yourself with an art history topic are online reference sources.
ARTStor is a a repository of hundreds of thousands of digital images.
CAMIO (OCLC) is a database of high quality art images from acround the worls.
Oxford Art Online, our subscription resource mentioned above, is one (the best) general reference source, and here are a few others to get you started. These can all be found online for free:
The following websites provide detailed information about Art Education and Resources.
Learn about Artistic Media., Artistic Style, Design Principles, Elements of Art and the Parts of a Picture Book Picturing Books