Introduction: the concern of aesthetics, by M. C. Beardsley -- Objectivity or subjectivity? By H. Hazlitt -- The basic concepts of the critic, by G. Boas -- Art for art's sake, by E. M. Forster -- Art and accident, by M. C. Beardsley -- Expressiveness, by S. K. Langer -- The work of art and the artist's intentions, by J. Kemp -- What is beauty? By Plato -- The justification of art, by G. Santayana.