• Hans Peter Bleuel, Sex and Society in Nazi Germany (Philadelphia: J.B. Lippincott, 1973).
• John M. Clum, Acting Gay: Male Homosexuality in Modern Drama (New York: Columbia University Press, 1994).----Much on Sherman's _Bent_
• Erica Fischer, AimÚe and Jaguar: A Love Story, Berlin 1943 (New York: HarperCollins, 1995).----Diaries, letters, and testimonies about a relationship to a woman married to a Nazi functionary and her Jewish girlfriend (killed)
• John C. Fout , Forbidden History: The State, Society, and the Regulation of Sexuality in Modern Europe (Chicago: _______, 1992).
• Max Gallo, The Night of the Long Knives (New York: Harper & Row, 1972). ----regarding the Roehm Putsch
• Gunter Grau, Hidden Holocaust? Gay and Lesbian Persecution in Germany 1933-45 (London: Cassel, 1995).----Period documents
• Edwin J. Haeberle, "Swastika, Pink Triangle, and Yellow Star: The Destruction of Sexology and the Persecution of Homosexuals in Nazi Germany," Hidden from History: Reclaiming the Gay & Lesbian Past, Martin Bauml Duberman, et al, eds. (New York: New American Library, 1989), p. 365-379.
• Heinz Heger, The Men with the Pink Triangle (Boston: Alyson Publications, 1980).----memoir
• Aart Hendriks, et al, eds., The Third Pink Book: A Global View of Lesbian and Gay Liberation and Oppression (Buffalo: Prometheus Books, 1993).
• Anton Kaes, et al, eds., The Weimar Republic Sourcebook (Berkeley, CA: The University of California Press, 1994).----Good source documents (contemporary to Weimar Rep.)
• Lesbianism and Feminism in Germany, 1895-1910 (New York: _____, 1975).
• Neil Miller, Out of the Past: Gay and Lesbian History from 1869 to the Present (New York: Vintage Books, 1995).
• Richard Plant, The Pink Triangle: The Nazi War against Homosexuals (New York: Henry Holt and Company, 1986).
• Frank Rector, The Nazi Extermination of Homosexuals (New York: Stein and Day, 1981).
• Pierre Seel, I, Pierre Seel, Deported Homosexual: A Memoir of Nazi Terror (New York: BasicBooks, 1995).----memoir
• James D. Steakley, The Homosexual Emancipation Movement in Germany (New York: _____, 1975).
• FILM: Desire: Sexuality in Germany 19xx-1945 (documentary: almost exclusively homosexual issues) Produced for BBC Channel 4 ca. 1989--available in better video rental stores (i.e. NOT Blockbuster)

Thanks to Matthew Priest at the University of Texas for this.