https://digital.katalog.queersearch.org/s/katalog/item/41141, “Min egen ven: Herman Bangs sidste brev til Betty Nansen”, https://digital.katalog.queersearch.org/s/katalog/item/49750, QueerSearch, accessed 16. Juni 2025, https://digital.katalog.queersearch.org/s/katalog/item/28758