Columbia subject headings:
Harvard subject headings:
Architecture--Germany--Berlin--Conservation and restoration--Periodicals.
Historic buildings--Conservation and restoration--Germany--Berlin.
Monuments--Conservation and restoration--Germany--Berlin--Periodicals.
Princeton subject headings:
Berlin (Germany)--Buildings, structures, etc.--Periodicals.
Berlin (Germany)--History--Periodicals.
Historic buildings--Germany--Berlin--Conservation and restoration--Periodicals.
Monuments--Germany--Berlin--Conservation and restoration--Periodicals.