https://digital.katalog.queersearch.org/s/katalog/item/41604 and https://digital.katalog.queersearch.org/s/katalog/item/42545, “Philipp Gufler, Richard John Jones 2016 – Come Back. London 2016”, 2016, QueerSearch, accessed 29. April 2025, https://digital.katalog.queersearch.org/s/katalog/item/21173