Columbia subject headings:
Greiner, Otto, 1869-1916--Exhibitions.
Greiner, Otto, 1869-1916--Influence--Exhibitions.
Painters--Italy--Rome--Exhibitions.
Painting, German--19th century--Exhibitions.
Harvard subject headings:
Greiner, Otto, 1869-1916--Exhibitions.
Greiner, Otto, 1869-1916--Influence--Exhibitions.
Painters--Italy--Rome--Exhibitions.
Painting, German--19th century--Exhibitions
Princeton subject headings:
Greiner, Otto, 1869-1916--Exhibitions.
Greiner, Otto, 1869-1916--Influence--Exhibitions.
Painters--Italy--Rome--Exhibitions.
Painting, German--19th century--Exhibitions.