PLATO. Republic, Ion, Phaedrus, Symposium, Gorgias.
TOLSTOY, L. What is Art? English translation, 1899.
SCHILLER, F. Letters on the Aesthetic Education of Man, 1793-1795.
MORRIS, WM. Hopes and Fears for Art, 1882.
WILDE, O., MORRIS, WM., and OWEN, W. C. The Soul of Man,
The Socialist Ideal-Art, and The Coming Solidarity.
RUSKIN, J