1) Art history 2) Iconography 1) Iconography 
study of icons; symbols
• (n.) The discussion or description of portraiture or of representative images. Cf. Iconography.
I`co·nol'o·gy noun [ Greek ...; 
A method of interpreting the meaning of a work of art by synthesising iconography with the full historical context
iconology 1. The branch of knowledge which deals with the subject of icons (or images). 2. The subject matter of this study, icons collectively, or as objects of investigation. 3. A branch of art history that studies visual images and their symbolic meanings (especially in social or political terms). 4. A symbolic representation; symbolism.
noun the branch of art history that studies visual images and their symbolic meaning (especially in social or political terms)
Studies in history of art concerned with the interpretation of the matter or subject treated by artists without consideration of their personalities. -- L.V.
the historical analysis and interpretive study of symbols or images and their contextual significance; iconography. · the study of icons or symbolic representations.