https://digital.katalog.queersearch.org/s/katalog/item/42961, “Geschlechtliche Erziehung in der Arbeiterfamilie”, https://digital.katalog.queersearch.org/s/katalog/item/49320, QueerSearch, accessed 12. Mai 2025, https://digital.katalog.queersearch.org/s/katalog/item/25238