Columbia subject headings:
Harvard subject headings:
Euthanasia--Germany--History--20th century
Germany
Killing of the mentally ill--Germany--History--20th century.
National socialism and medicine
People with disabilities--Germany--History--20th century.
People with disabilities--Nazi persecution
Public opinion--Germany
World War, 1939-1945--Atrocities
World War, 1939-1945--Atrocities--Germany
Princeton subject headings:
Euthanasia--Germany--History--20th century.
Killing of the mentally ill--Germany--History--20th century.
National socialism and medicine.
World War, 1939-1945--Atrocities.