Columbia subject headings:
Harvard subject headings:
Criminal justice, Administration of--Germany--History--20th century.
Erkens, Josephine, 1889-1974.
Policewomen--Germany--History--Biography.
Policewomen--Germany--History.
Princeton subject headings:
Criminal justice, Administration of--Germany--History--20th century.
Erkens, Josephine, 1889-1974.
Policewomen--Germany--History--Biography.
Policewomen--Germany--History.