https://digital.katalog.queersearch.org/s/katalog/item/42788 and https://digital.katalog.queersearch.org/s/katalog/item/42784, “The Hot Rubber Company, Het AIDS Team – Veilig frijen”, QueerSearch, accessed 30. April 2025, https://digital.katalog.queersearch.org/s/katalog/item/21675