Columbia subject headings:
Harvard subject headings:
Black-and-white photography--Germany--Düsseldorf.
Düsseldorf (Germany)--Pictorial works.
Söhn, J. (Julius), 1868-1943
Street photography--Germany--Düsseldorf.
Princeton subject headings:
Black-and-white photography--Germany--Düsseldorf.
Düsseldorf (Germany)--Pictorial works.
Söhn, J. (Julius), 1868-1943.
Street photography--Germany--Düsseldorf.