https://digital.katalog.queersearch.org/s/katalog/item/38636 and https://digital.katalog.queersearch.org/s/katalog/item/38637, “Dansk Biografisk Leksikon. Vahl - Willemoes”, https://digital.katalog.queersearch.org/s/katalog/item/47649, QueerSearch, accessed 14. März 2025, https://digital.katalog.queersearch.org/s/katalog/item/4777