Columbia subject headings:
Biography--20th century--Portraits--Exhibitions.
Warhol, Andy, 1928-1987--Exhibitions.
Harvard subject headings:
Biography--20th century--Portraits--Exhibitions.
Warhol, Andy, 1928-1987--Exhibitions.
Princeton subject headings:
Biography--20th century--Portraits--Exhibitions.
Warhol, Andy, 1928-1987--Exhibitions.