Wölfflin, Heinrich. Principles of Art History. New York: Dover, 1950.
Greenberg, Clement. The Collected Essays... Vol. 1. Chicago: University of Chicago Press, 1986.
Baxandall, Michael. Painting and Experience. Oxford: Oxford University Press, 1972.
Panofsky, Irwin. Perspective as Symbolic Form. Cambridge: MIT Press, 1991.
Clark, T.J. The Painting of Modern Life. Princeton: Princeton University Press, 1986.
Nochlin, Linda. Women, Art, and Power. New York: Harper and Row, 1988.
Mulvey, Laura. Visual and Other Pleasures. Bloomington: Indiana University Press, 1989.
Rosen, Philip. Narrative, Apparatus, Ideology. New York: Columbia University Press, 1986.
In addition to the above, you may want to consult the Chicago Manual of Style, Sylvan Barnett's useful undergraduate handbook, Writing about Art, Strunk and White's classic The Elements of Style, the glossary Artwords, and a basic English grammar text.
Supplemental Readings (PDF)