https://digital.katalog.queersearch.org/s/katalog/item/39637, “Intimverhalten - Sexualstörungen - Persönlichkeit”, https://digital.katalog.queersearch.org/s/katalog/item/49923, QueerSearch, accessed 1. Mai 2025, https://digital.katalog.queersearch.org/s/katalog/item/27838