[23] W. G. Sumner, Folkways.
[24] Sumner, Folkways, p. 6.
[25] Ibid., p. 11.
[26] Bagehot, Physics and Politics, p. 103.
[27] Eastman, Indian Boyhood, p. 31.
[28] Hobhouse, Morals in Evolution, Part I., p. 16. Hume pointed out this twofold basis of approval.
[29] Seebohm, The Tribal System of Wales, p. 59.
[30] The account is based on Spencer and Gillen, The Native Tribes of Central Australia, chs. vii.-ix.
[31] Maine's Early Law and Custom, p. 264.
[32] Welsh Triads, cited by Seebohm, op. cit., p. 72.