https://digital.katalog.queersearch.org/s/katalog/item/43273, “Magnus Hirschfeld in Palestine: The Journey of a German Sexologist (February 14-March 13, 1932)”, https://digital.katalog.queersearch.org/s/katalog/item/49485, QueerSearch, accessed 14. März 2025, https://digital.katalog.queersearch.org/s/katalog/item/55283