Columbia subject headings:
Harvard subject headings:
Euthanasia--Austria--History--20th century--Congresses.
Involuntary sterilization--Austria--History--Congresses.
National socialism and medicine--History.
National socialism--Austria--History--Congresses.
Vienna (Austria)
War crimes--Austria--History--Congresses.
Princeton subject headings:
Euthanasia--Austria--Vienna--History--20th century--Congresses.
Involuntary sterilization--Austria--Vienna--History--20th century--Congresses.
National socialism and medicine--Austria--Vienna--History--20th century--Congresses.