https://digital.katalog.queersearch.org/s/katalog/item/44703, “Die Sex-Händler: Moderne Formen der Sklaverei”, https://digital.katalog.queersearch.org/s/katalog/item/48151, QueerSearch, accessed 30. April 2025, https://digital.katalog.queersearch.org/s/katalog/item/28791