Columbia subject headings:
Blume, Anna, 1937---Exhibitions.
Blume, Bernhard Johannes--Exhibitions.
Photography, Artistic--Exhibitions.
Harvard subject headings:
Blume, Anna, 1937---Exhibitions.
Blume, Bernhard Johannes--Exhibitions.
Photography, Artistic--Exhibitions
Princeton subject headings:
Blume, Anna, 1937---Exhibitions.
Blume, Bernhard Johannes--Exhibitions.
Photography, Artistic--Exhibitions.