Columbia subject headings:
Picasso, Pablo, 1881-1973--Criticism and interpretation.
Picasso, Pablo, 1881-1973--Self-portraits.
Harvard subject headings:
Picasso, Pablo, 1881-1973--Criticism and interpretation.
Picasso, Pablo, 1881-1973--Self-portraits.
Princeton subject headings:
Picasso, Pablo, 1881-1973--Criticism and interpretation.
Picasso, Pablo, 1881-1973--Self-portraits.