Columbia subject headings:
Architecture--Germany--Berlin.
Berlin (Germany)--Buildings, structures, etc.
Conrad-Bercah--Notebooks, sketchbooks, etc.
Harvard subject headings:
Architecture--Germany--Berlin
Berlin (Germany)--Buildings, structures, etc.
Conrad-Bercah--Notebooks, sketchbooks, etc.
Princeton subject headings:
Architecture--Germany--Berlin.
Berlin (Germany)--Buildings, structures, etc.
Conrad-Bercah--Notebooks, sketchbooks, etc.