Columbia subject headings:
Usury laws--Germany--History--18th century.
Usury laws--Germany--History--19th century.
Usury--Germany--History--18th century.
Usury--Germany--History--19th century.
Harvard subject headings:
Interest--Law and legislation--Germany--History--18th century.
Interest--Law and legislation--Germany--History--19th century.
Usury laws--Germany--History--18th century.
Usury laws--Germany--History--19th century.
Princeton subject headings:
Usury laws--Germany--History--18th century.
Usury laws--Germany--History--19th century.
Usury--Germany--History--18th century.
Usury--Germany--History--19th century.