Columbia subject headings:
Koppitz, Rudolf, 1884-1936--Exhibitions.
Photography of the nude--Exhibitions.
Photography, Artistic--Exhibitions.
Harvard subject headings:
Koppitz, Rudolf, 1884-1936--Exhibitions.
Photography of the nude--Exhibitions.
Photography, Artistic--Exhibitions
Princeton subject headings:
Koppitz, Rudolf, 1884-1936--Exhibitions.
Photography of the nude--Exhibitions.
Photography, Artistic--Exhibitions.