https://digital.katalog.queersearch.org/s/katalog/item/39206, “Exhibitionistisches Verhalten bei Klinefelter-Syndrom”, https://digital.katalog.queersearch.org/s/katalog/item/48574, QueerSearch, accessed 28. April 2025, https://digital.katalog.queersearch.org/s/katalog/item/55795