Columbia subject headings:
Architecture--Conservation and restoration--Germany--Brandenburg--Congresses.
Historic buildings--Germany--Brandenburg--Congresses.
Historic preservation--Germany--Brandenburg--Congresses.
Monuments--Conservation and restoration--Germany--Brandenburg--Congresses.
Harvard subject headings:
Cultural property--Protection--Germany--Congresses.
Historic buildings--Conservation and restoration--Congresses.
Historic buildings--Conservation and restoration--Germany--Congresses.
Historic buildings--Germany--Brandenburg--Congresses.
Historic preservation--Congresses
Historic preservation--Germany--Brandenburg--Congresses.
Historic preservation--Germany--Congresses.
Princeton subject headings: