https://digital.katalog.queersearch.org/s/katalog/item/63918 and https://digital.katalog.queersearch.org/s/katalog/item/65902, “"Das wichtigste Sexualorgan sitzt zwischen den Ohren"”, QueerSearch, accessed 12. Mai 2025, https://digital.katalog.queersearch.org/s/katalog/item/59402