Columbia subject headings:
Janssen, Horst, 1929-1995--Exhibitions.
Photomontage--Exhibitions.
Harvard subject headings:
Art and photography--Exhibitions.
Janssen, Horst, 1929-1995--Exhibitions.
Photomontage--Exhibitions
Princeton subject headings:
Art and photography--Exhibitions.
Janssen, Horst, 1929-1995--Exhibitions.