https://digital.katalog.queersearch.org/s/katalog/item/66658 and https://digital.katalog.queersearch.org/s/katalog/item/66659, “Weitere exp. Studien zur Anaphylaxiefrage”, QueerSearch, accessed 14. März 2025, https://digital.katalog.queersearch.org/s/katalog/item/61659