Columbia subject headings:
Harvard subject headings:
Crime--Austria--Case studies--History--20th century.
Crime--Germany--Case studies--History.
Criminal law--Austria--Cases--History--20th century.
Criminal law--Germany--Cases--History--20th century.
Murderers--Austria--20th century.
Murderers--Germany--20th century.
Princeton subject headings:
Murderers--Austria--20th century.
Murderers--Germany--20th century.