Columbia subject headings:
Harvard subject headings:
Euthanasia--Italy--History--20th century.
Euthanasia--Moral and ethical aspects
Euthanasia--Social aspects
Medical ethics--History--20th century.
Princeton subject headings:
Euthanasia--Italy--History--20th century.
Euthanasia--Moral and ethical aspects.
Euthanasia--Social aspects.
Medical ethics--History--20th century.