1. I. Blackstone, Commentaries, 1965, pp. 442–445.
2. Kenneth M. Davidson, Ruth B. Ginsburg, and Herma H. Kay, Sex Based Discrimination (St. Paul, MN: West Publishing Co., 1974), p. 117.
3. Frederick Engels, The Origin of the Family, Private Property and the State, edited, with an introduction by Eleanor Burke Leacock (New York: International Publishers, 1972).
4. Frederick Engels, The Condition of the Working Class in England (Stanford, CA: Stanford University Press, 1958).
5. Eli Zaretsky, “Capitalism, the Family, and Personal Life,” Socialist Revolution, Part I in no. 13–14 (January–April 1973), pp. 66–125.