https://digital.katalog.queersearch.org/s/katalog/item/38565, https://digital.katalog.queersearch.org/s/katalog/item/38566, and https://digital.katalog.queersearch.org/s/katalog/item/38567, “Fortpflanzungsmedizin.”, https://digital.katalog.queersearch.org/s/katalog/item/44226, QueerSearch, accessed 14. März 2025, https://digital.katalog.queersearch.org/s/katalog/item/4718