Columbia subject headings:
Harvard subject headings:
Berlinische Galerie--Exhibitions.
Photographers--Germany (East)--Biography.
Photographers--Germany (East)--Exhibitions.
Photography, Artistic--Exhibitions
Photography--Germany (East)--Exhibitions.
Photography--Germany (East)--History--20th century--Exhibitions.
Princeton subject headings:
Photographers--Germany (East)--Biography.
Photography, Artistic--Exhibitions.
Photography--Germany (East)--History--20th century--Exhibitions.