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