Columbia subject headings:
Harvard subject headings:
Eugenics--Germany--History--20th century--Congresses.
Euthanasia--Germany--History--20th century--Congresses.
Involuntary sterilization--Germany--History--20th century--Congresses.
National socialism and medicine--Congresses.
World War, 1939-1945--Atrocities--Congresses
Princeton subject headings:
Eugenics--Germany--History--20th century--Congresses.
Euthanasia--Germany--History--20th century--Congresses.
National socialism and medicine--Congresses.
World War, 1939-1945--Atrocities--Congresses.