Intimate life styles : Joann S. DeLora and Jack R. DeLora marriage and its alternatives / DeLora, Joann S. DeLora, Jack R. Families United States Congresses. Marriage United States Congresses. Unmarried couples United States Congresses. Sex in marriage Congresses. Communal living United States Congresses. HQ536 .E96 301.42 DEI Includes bibliographical references and index. New York : Springer Pub.; c1972. c1972. 1978 Text xv, 421 p. : eng United States United States United States United States