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