Columbia subject headings:
Architects--United States.
Architecture, Modern--20th century.
Skidmore, Owings & Merrill.
Harvard subject headings:
Architectural firms--United States.
Architecture, Modern--21st century
Skidmore, Owings & Merrill.
Princeton subject headings:
Architectural firms--United States.
Architecture--United States--History--20th century.
Skidmore, Owings & Merrill.