References
J. Sully, The Human Mind, ii., 1892, ch. xvi.; An Essay on Laughter, 1902, ch. v.; W. Wundt, Lectures on Human and Animal Psychology, 1896, Lect. xxv., § 4; Ethics, i., 1897, ch. iii.; T. Ribot, The Psychology of the Emotions, 1897, chs. vi. ff.; E. B. Titchener, Text-book of Psychology, 1910, 500 ff.; E. L. Thorndike, The Original Nature of Man, 1913, 41, 102 f., 140 f.
Special References: F. Boas, The Mind of Primitive Man, 1911; J. H. Leuba, A Psychological Study of Religion, 1912; L. Hearn, Japan, An Attempt at Interpretation, 1904; A. C. Haddon, Evolution in Art, 1895; G. Santayana, The Sense of Beauty, 1896; G. Moore, Modern Painting, 1898.