https://digital.katalog.queersearch.org/s/katalog/item/45015, “Eine Bremer Räuberpistole: Baader-Meinhof 1971 in Bremen”, https://digital.katalog.queersearch.org/s/katalog/item/50818, QueerSearch, accessed 15. Mai 2025, https://digital.katalog.queersearch.org/s/katalog/item/29424