I highly recommend a book on the adjacent topic, for those interested in questions re: where subjectivity and objectivity blur, in art and design. The ideas have evolved significantly, well beyond the N isms, and into a deeper level on cognitive psychology, and analytic philosophy. Among other things, it is useful for practitioners to be aware of--given the power and plasticity of modern digital media tools.

The Objective Eye: Color, Form, and Reality in the Theory of Art

http://www.amazon.com/The-Objective-Eye-Reality-Theory/dp/02...

-edits for context-

[NB: Also disregard the amazon ratings]