Columbia subject headings:
Interpersonal relations in art--Exhibitions.
Photography, Artistic--Exhibitions.
Photography--Europe--Exhibitions.
Harvard subject headings:
Interpersonal relations in art--Exhibitions.
Photography, Artistic--Exhibitions
Photography--Europe--Exhibitions.
Princeton subject headings:
Interpersonal relations in art--Exhibitions.
Photography, Artistic--Exhibitions.
Photography--Europe--Exhibitions.