Columbia subject headings:
Harvard subject headings:
Degas, Edgar, 1834-1917--Exhibitions.
Degas, Edgar, 1834-1917--Friends and associates--Exhibitions.
Impressionism (Art)--France--Exhibitions
Pissarro, Camille, 1830-1903--Exhibitions.
Pissarro, Camille, 1830-1903--Friends and associates--Exhibitions.
Princeton subject headings:
Degas, Edgar, 1834-1917--Exhibitions.
Pissarro, Camille, 1830-1903--Exhibitions.