https://digital.katalog.queersearch.org/s/katalog/item/40597, “Du bist, was du bist: Die genetische Basis der sexuellen Orientierung”, https://digital.katalog.queersearch.org/s/katalog/item/46391, QueerSearch, accessed 17. Juni 2025, https://digital.katalog.queersearch.org/s/katalog/item/16761