German eugenics, 1890-1933 / by Sheila Faith Weiss
International eugenics / by Daniel J. Kevles
Nazi sterilization and reproductive policies / by Gisela Bock
The "science of race" / by Benoit Massin
Nazi "euthanasia" programs / by Michael Burleigh
From "euthanasia" to the "final solution" / by Henry Friedlander
Reflections of a German scientist / by Benno Müller-Hill