Columbia subject headings:
Architecture--Germany--History--20th century--Catalogs.
Barkow Leibinger Architekten--Catalogs.
Barkow, Frank--Catalogs.
Leibinger, Regine, 1963---Catalogs.
Harvard subject headings:
Architecture--Germany--History--20th century
Barkow Leibinger Architekten--Catalogs.
Barkow, Frank--Catalogs.
Leibinger, Regine, 1963---Catalogs.
Princeton subject headings:
Architecture--Germany--21st century.
Architecture--Germany--History--20th century.
Barkow Leibinger Architekten.