https://digital.katalog.queersearch.org/s/katalog/item/39117, “Studies in the Psychology of Sex: Vol. III. Analysis of the Sexual Impulse. Love and Pain. The Sexual Impulse in Women. 2nd ed”, https://digital.katalog.queersearch.org/s/katalog/item/50993, QueerSearch, accessed 3. Mai 2025, https://digital.katalog.queersearch.org/s/katalog/item/30007