https://digital.katalog.queersearch.org/s/katalog/item/44317 and https://digital.katalog.queersearch.org/s/katalog/item/38766, “Sexuelle Liberalisierung und Emanzipation”, https://digital.katalog.queersearch.org/s/katalog/item/46402, QueerSearch, accessed 14. März 2025, https://digital.katalog.queersearch.org/s/katalog/item/55920