9
7 Proctor, Robert N. Racial Hygiene: Medicine under the Nazis. Harvard University Press, 1988, 13.
8 Bergen, Doris L. War & Genocide: A Concise History of the Holocaust. Wydanie drugie, Rowman & Littlefield Publishers, Inc., 2009, 12.
9 Proctor, 15.
10 Ibidem.