Columbia subject headings:
Architecture--Germany--History--20th century--Catalogs.
Barkow Leibinger Architekten--Catalogs.
Barkow, Frank--Catalogs.
Leibinger, Regine, 1963---Catalogs.
Harvard subject headings:
Architectural firms--Germany.
Architecture--Germany--History--20th century
Barkow, Frank.
Leibinger, Regine, 1963-
Princeton subject headings:
Barkow Leibinger Architekten.