Columbia subject headings:
Architecture--United States--History--20th century--Catalogs.
Catalogs.
Johnson, Philip, 1906-2005--Catalogs.
Harvard subject headings:
Architecture--United States--History--20th century--Catalogs
Johnson, Philip, 1906-2005--Catalogs.
Princeton subject headings:
Architecture--United States--History--20th century.
Johnson, Philip, 1906-2005.