Columbia subject headings:
Harvard subject headings:
Erler, Adelbert, 1904---Congresses.
Justice, Administration of--Holy Roman Empire--History--Congresses.
Police power--Holy Roman Empire--History--Congresses.
Princeton subject headings:
Cooperative societies--Law and legislation.
Criminal law--Germany--History.
Criminal procedure--Germany--History.
Erler, Adalbert, 1904-
Law--Germany--History.
Police--Germany--History.