https://digital.katalog.queersearch.org/s/katalog/item/65116, https://digital.katalog.queersearch.org/s/katalog/item/65117, and https://digital.katalog.queersearch.org/s/katalog/item/65118, “Amyotrophic Lateral Sclerosis with objective and subjective (neurotic) sensory disturbances”, QueerSearch, accessed 28. April 2025, https://digital.katalog.queersearch.org/s/katalog/item/56765