Ost S (April 2006). „Doctors and nurses of death: a case study of eugenically motivated killing under the Nazi 'euthanasia' programme”. Liverp Law Rev27 (1): 5–30. DOI:10.1007/s10991-005-5345-2. PMID17340766.
Murray N. Rothbard, THE RIGHT TO KILL, WITH DIGNITY?, in The Irrepressible Rothbard,Edited by Llewellyn H. Rockwell, Jr., Center for Libertarian Studies, 2000 [1]Arhivirano 2010-06-17 na Wayback Machine-u
nih.gov
ncbi.nlm.nih.gov
Ost S (April 2006). „Doctors and nurses of death: a case study of eugenically motivated killing under the Nazi 'euthanasia' programme”. Liverp Law Rev27 (1): 5–30. DOI:10.1007/s10991-005-5345-2. PMID17340766.
Parent, S.; Shevell, M. (Jan 1998). „The 'first to perish'. Child euthanasia in the Third Reich”. Arch Pediatr Adolesc Med152 (1): 79–86. PMID9452713.
Murray N. Rothbard, THE RIGHT TO KILL, WITH DIGNITY?, in The Irrepressible Rothbard,Edited by Llewellyn H. Rockwell, Jr., Center for Libertarian Studies, 2000 [1]Arhivirano 2010-06-17 na Wayback Machine-u
wikipedia.org
de.wikipedia.org
Ove brojke su uzete iz članka Aktion T4 na nemačkoj Vikipediji, koji kao izvor koristi Ernst Klee, "Euthanasie" im SS-stadt: Die "Vernichtung lebensunwerten Leben" („Eutanazija“ u SS-državi: Istrebljenje „života nedostojnog života“), Frankfurt, 1983.