Columbia subject headings:
Levinstein, Leon, 1910-1988--Exhibitions.
Photography, Artistic--Exhibitions.
Harvard subject headings:
Levinstein, Leon, 1910-1988--Exhibitions.
New York (N.Y.)--History--Pictorial works--Exhibitions.
Photography, Artistic--Exhibitions
Princeton subject headings:
Levinstein, Leon--Exhibitions.
Photography, Artistic--Exhibitions.