Columbia subject headings:
Celebrities--Portraits--Exhibitions.
Portrait photography--Exhibitions.
Sachs, Gunter--Photograph collections--Exhibitions.
Warhol, Andy, 1928-1987--Exhibitions.
Harvard subject headings:
Princeton subject headings:
Sachs, Gunter--Art collections--Exhibitions.
Warhol, Andy, 1928-1987--Exhibitions.