Columbia subject headings:
Chagall, Marc, 1887-1985--Exhibitions.
Sorlier, Charles--Art collections--Exhibitions.
Harvard subject headings:
Chagall, Marc, 1887-1985--Catalogues raisonnés.
Chagall, Marc, 1887-1985--Exhibitions.
Lithography--Private collections--Exhibitions.
Sorlier, Charles--Art collections--Exhibitions.
Princeton subject headings:
Chagall, Marc, b. 1887--Exhibitions.
Lithography, Russian--Exhibitions.
Lithography--20th century--Germany--Exhibitions.
Sorlier, Charles--Art collections--Exhibitions.