Columbia subject headings:
Harvard subject headings:
Architectural models--Germany.
Architecture, Modern--20th century--Germany--Designs and plans.
Architecture--Germany--History--20th century--Designs and plans.
Von Gerkan, Marg und Partner.
Princeton subject headings:
Architectural models--Germany.
Architecture, Modern--20th century--Germany--Designs and plans.
Von Gerkan, Marg und Partner.