Columbia subject headings:
Architects--Societies, etc.--Germany--Berlin--History.
Architecture--Germany--Berlin--History--20th century.
Architecture--Societies, etc.--Germany--Berlin--History.
Berlin (Germany)--Buildings, structures, etc.
Charlottenburger Baugenossenschaft--History.
Housing, Cooperative--Germany--Berlin--History.
Harvard subject headings:
Architects--Germany--Berlin--History.
Architecture--Germany--Berlin--20th century.
Architecture--Germany--Berlin--History.
Berlin (Germany)--Buildings, structures, etc.
Charlottenburg (Berlin, Germany)--History--20th century.
Charlottenburger Baugenossenschaft--History.
City planning--Germany--Berlin--History--20th century.
Housing, Cooperative--Germany--Berlin--History.
Princeton subject headings: