Columbia subject headings:
Harvard subject headings:
Euthanasia--Germany--Hadamar--History--20th century.
Euthanasia--Germany--History--20th century
National socialism and medicine--History.
Trials (Euthanasia)--Germany--Frankfurt am Main--History--20th century.
War crime trials--Germany--Frankfurt am Main--History--20th century.
Princeton subject headings:
Euthanasia--Germany--Hadamar--History--20th century.
Euthanasia--Germany--History--20th century.
National socialism and medicine--History.
National socialism--History.
Trials (Euthanasia)--Germany--Frankfurt am Main--History--20th century.
War crime trials--Germany--Frankfurt am Main--History--20th century.
World War, 1939-1945--Atrocities--Germany.