https://digital.katalog.queersearch.org/s/katalog/item/38509 and https://digital.katalog.queersearch.org/s/katalog/item/38516, “The Transgender Child. A Handbook for Families and Professionals.”, https://digital.katalog.queersearch.org/s/katalog/item/47940, QueerSearch, accessed 15. März 2025, https://digital.katalog.queersearch.org/s/katalog/item/5679