Columbia subject headings:
Criminal law--Germany.
Euthanasia--Law and legislation--Germany.
Heyde, Werner, 1902-1964.
Trials (Euthanasia)--Germany.
Harvard subject headings:
Aktion T4 (Germany)
Criminal law--Germany
Euthanasia--Germany--History--20th century
Euthanasia--Law and legislation--Germany.
Ex-Nazis--Germany.
Heyde, Werner, 1902-1964--Trials, litigation, etc.
Heyde, Werner, 1902-1964.
Physicians--Germany.
Trials (Euthanasia)--Germany.
Princeton subject headings:
Aktion T4 (Germany)
Euthanasia--Germany--History--20th century.
Ex-Nazis--Germany.
Heyde, Werner, 1902-1964--Trials, litigation, etc.
Physicians--Germany.