https://digital.katalog.queersearch.org/s/katalog/item/40141, “In the Midst of Winter: Systemic Therapy with Families, Couples, and Individuals with AIDS Infection”, https://digital.katalog.queersearch.org/s/katalog/item/48469, QueerSearch, accessed 1. Mai 2025, https://digital.katalog.queersearch.org/s/katalog/item/16204