Columbia subject headings:
Harvard subject headings:
Biologists--Austria.
Biologists--Germany.
Biology--Austria--History--20th century.
Biology--Germany--History--20th century.
Biology--Political aspects--Germany.
National socialism and science
National socialism and science--Austria.
Princeton subject headings:
Biologists--Germany.
Biology--Germany--History.
Science and state--Germany--History--20th century.