https://digital.katalog.queersearch.org/s/katalog/item/43575, “The Politics of the Body in Weimar Germany: Women's reproductive rights and duties”, https://digital.katalog.queersearch.org/s/katalog/item/49551, QueerSearch, accessed 16. März 2025, https://digital.katalog.queersearch.org/s/katalog/item/26456