Columbia subject headings:
Germany--Civilization.
Monuments--Law and legislation--Germany.
Harvard subject headings:
Historic buildings--Law and legislation--Germany--History.
Historic preservation--Law and legislation--Germany--History.
Monuments--Conservation and restoration--Law and legislation--Germany--History.
Princeton subject headings:
Historic buildings--Law and legislation--Germany--History.
Historic preservation--Law and legislation--Germany--History.
Monuments--Conservation and restoration--Law and legislation--Germany--History.