https://digital.katalog.queersearch.org/s/katalog/item/38640 and https://digital.katalog.queersearch.org/s/katalog/item/38501, “Man into Woman. The First Sex Change, A Portrait of Lili Elbe. The true and remarkable transformation of the painter Einar Wegener.”, https://digital.katalog.queersearch.org/s/katalog/item/47651, QueerSearch, accessed 16. Juni 2025, https://digital.katalog.queersearch.org/s/katalog/item/4782