Columbia subject headings:
Calder, Alexander, 1898-1976--Exhibitions.
Picasso, Pablo, 1881-1973--Exhibitions.
Harvard subject headings:
Calder, Alexander, 1898-1976--Exhibitions.
Picasso, Pablo, 1881-1973--Exhibitions.
Princeton subject headings:
Calder, Alexander, 1898-1976--Exhibitions.
Picasso, Pablo, 1881-1973--Exhibitions.