Columbia subject headings:
Photography, Artistic--Germany--Exhibitions.
Harvard subject headings:
Documentary photography--Germany--Exhibitions.
Germany--Social life and customs--Pictorial works--Exhibitions.
Photography, Artistic--Exhibitions
Photography--Germany--Exhibitions
Photography--Germany--History--19th century--Exhibitions.
Photography--Germany--History--20th century--Exhibitions.
Princeton subject headings:
Photography, Artistic--Exhibitions.
Photography--Germany--History--19th century--Exhibitions.
Photography--Germany--History--20th century--Exhibitions.