Columbia subject headings:
Portrait painting--20th century--Exhibitions.
Portrait sculpture--20th century--Exhibitions.
Portraits--Exhibitions.
Harvard subject headings:
Art, Modern--20th century--Exhibitions
Portrait painting--20th century--Exhibitions.
Portrait sculpture--20th century--Exhibitions.
Portraits--Exhibitions
Self-portraits--Exhibitions
Princeton subject headings:
Portrait painting--20th century--Exhibitions.
Portrait sculpture--20th century--Exhibitions.
Portraits--Exhibitions.