Columbia subject headings:
Picasso, Pablo, 1881-1973. Guernica.
Harvard subject headings:
Art--Political aspects--History--20th century.
Picasso, Pablo, 1881-1973--Criticism and interpretation.
Picasso, Pablo, 1881-1973. Guernica--Exhibitions.
Princeton subject headings:
Picasso, Pablo, 1881-1973. Guernica.