1. Problems of Methods in Parent-Child Research
2. A Review of Family Research in 1962
3. III. The Use of Observational Methods in Family Research
4. Robert 0. Blood, Jr. and Donald M. Wolfe, Husbands and Wives,New York: The Free Press of Glencoe, 1960, p. 273.Blood273Husbands and Wives1960
5. Ernest W. Burgess andPaul Wallin, Engagement and Marriage, New York: J. B. Lippin-cott Co., 1953, pp. 33-60Burgess33Engagement and Marriage1953