https://digital.katalog.queersearch.org/s/katalog/item/41329, “Frauenbefreiung und sexuelle Revolution: "The Dialectic of Sex"”, https://digital.katalog.queersearch.org/s/katalog/item/48418, QueerSearch, accessed 29. April 2025, https://digital.katalog.queersearch.org/s/katalog/item/17872