Columbia subject headings:
Museum Folkwang Essen. Fotografische Sammlung--Exhibitions.
Photography of children--Exhibitions.
Photography of men--Exhibitions.
Photography of women--Exhibitions.
Photography, Artistic--Exhibitions.
Portrait photography--Exhibitions.
Harvard subject headings:
Portrait photography--Exhibitions
Princeton subject headings:
Museum Folkwang Essen. Fotografische Sammlung--Exhibitions.
Photography of children--Exhibitions.
Photography of men--Exhibitions.
Photography of women--Exhibitions.
Photography, Artistic--Exhibitions.
Portrait photography--Exhibitions.