https://digital.katalog.queersearch.org/s/katalog/item/39123, “The Birth of Sexology. A Brief History in Documents: 75 Years of Sexology. 6th World Congress of Sexology, May 22-27, 1983, Washington, D.C”, QueerSearch, accessed 29. April 2025, https://digital.katalog.queersearch.org/s/katalog/item/29206