Raymond de Becker, The Other Face of Love (London: Neville Spearman & Rodney Books, 1967)
Ronald Bayer, Homosexuality and American Psychiatry: The Politics of Diagnosis (New York: Basic Books, 1981), chs. 3-4 (pp. 67-154)
John J. McNeil, The Church and the Homosexual , 4th ed. (Boston: Beacon Press, 1993), Part I
Timothy Murphy (ed.), Gay Ethics (New York: Hayworth Press, 1994)