1. Wilson RJ. Freund, Kurt (1914 – 1996). In: Whelehan P, Bolin A, editors. The international encyclopedia of human sexuality. Hoboken: Wiley; 2015.
2. Wilson RJ, Freund Mathon H. Remembering Kurt Freund 1914–1996. Association for the Treatment of Sexual Abusers. 2006;XVIII(4). http://newsmanager.commpartners.com/atsa/issues/2006-09-15/2.html. Accessed 23 Apr 2020.
3. Freund K. Courtship disorder: is this hypothesis valid? Ann N Y Acad Sci. 1988;528:172–82.
4. Murphy WD, Page IJ. Exhibitionism: psychopathology and theory. In: Laws D, O'Donohue WT, editors. Sexual deviance: theory, assessment, and treatment. 2nd ed. New York: Guilford; 2008. p. 1–75.
5. American Psychiatric Association. Diagnostic and statistical manual of mental disorders. 5th ed. Arlington: American Psychiatric Publishing; 2013.