Columbia subject headings:
Architecture--United States--History--20th century.
Bunshaft, Gordon, 1909-1990.
Office buildings--United States--Designs and plans--Exhibitions.
Skidmore, Owings & Merrill.
Harvard subject headings:
Architecture--United States--History--20th century
Architecture--United States--History--20th century.
Bunshaft, Gordon, 1909-
Bunshaft, Gordon, 1909-1990.
Office buildings--United States--Designs and plans--Exhibitions.
Skidmore, Owings & Merrill.
Princeton subject headings: