[73] Hobhouse, Morals in Evolution, I, p. 43.
[74] Grosse, Familie und Wirthschaft, pp. 73-4.
[75] Grosse, Ibid, pp. 104-5.
[76] Starke, The Primitive Family, pp. 99, 100.
[77] Hobhouse, Morals and Evolution, I, p. 176.
[78] Earle, Home Life in Colonial Days, pp. 166-7.
[79] Letourneau, The Evolution of Marriage, p. 352.
[80] E. Vandervelde, L’Exode Rural.
[81] Bailey, Modern Social Conditions, p. 139.
[82] Mayo-Smith, Statistics and Sociology, p. 100.