Columbia subject headings:
Denis, Maurice, 1870-1943--Exhibitions.
Lithography, French--Private collections--Exhibitions.
Redon, Odilon, 1840-1916--Exhibitions.
Harvard subject headings:
Art--Private collections--Exhibitions
Denis, Maurice, 1870-1943--Themes, motives--Exhibitions.
Redon, Odilon, 1840-1916--Themes, motives--Exhibitions.
Princeton subject headings:
Denis, Maurice, 1870-1943--Exhibitions.
Lithography, French--Private collections--Exhibitions.
Redon, Odilon, 1840-1916--Exhibitions.