Hegel, G. (1835) Aesthetics: Lectures on Fine Art, trans. T.M. Knox, Oxford: The Clarendon Press, 1975. (Hegel’s lectures on aesthetics, delivered in Berlin in the 1820s, are a classic introduction to the subject.)

Kant, I. (1790) Critique of Aesthetic Judgement, trans. W.S. Pluhar, Indianapolis, IN and Cambridge: Hackett Publishing Company, 1987.

Wollheim, R. (1980) Art and Its Objects, Cambridge: Cambridge University Press. (Essay considering the philosophical issues of works of art.)