Columbia subject headings:
Harvard subject headings:
Darwin, Charles, 1809-1882--Influence--Bibliography.
Eugenics--Germany--Bibliography.
Eugenics--Government policy--Germany--History--Bibliography.
Euthanasia--Germany--Bibliography.
Euthanasia--Germany--History--Bibliography.
Involuntary sterilization--Germany--Bibliography.
Involuntary sterilization--Germany--History--Bibliography.
National socialism--Bibliography
Social Darwinism--Germany--Bibliography.
Social Darwinism--Germany--History--Bibliography.
Princeton subject headings:
Eugenics--Germany--Bibliography.
Euthanasia--Germany--Bibliography.
Involuntary sterilization--Germany--Bibliography.
National socialism--Bibliography.
Social Darwinism--Germany--Bibliography.