Columbia subject headings:
Harvard subject headings:
Euthanasia--Moral and ethical aspects--Germany--History--20th century--Sources.
Mentally ill--Crimes against--Germany--History--Sources.
National socialism and medicine.
National socialism--Moral and ethical aspects.
People with disabilities--Crimes against--Germany--History--Sources.
Psychiatric hospital care--Germany--History--20th century--Sources.
Princeton subject headings:
Euthanasia--Moral and ethical aspects--Germany--History--20th century--Sources.
Mentally ill--Crimes against--Germany--History--Sources.
National socialism and medicine.
National socialism--Moral and ethical aspects.
People with disabilities--Crimes against--Germany--History--Sources.
Psychiatric hospital care--Germany--History--20th century--Sources.