Columbia subject headings:
Architecture, Domestic--Germany--Berlin.
Berlin (Germany)--Buildings, structures, etc.
Housing, Cooperative--Germany--Berlin.
Neukölln (Berlin, Germany)--Buildings, structures, etc.
Wohnungsbau-Verein Neukölln (Neukölln, Berlin, Germany)
Harvard subject headings:
Apartment houses, Cooperative--Germany--Berlin--History--20th century.
Housing, Cooperative--Germany--Berlin--History--20th century.
Princeton subject headings: