The Manager Of The Hammer Farm, Kiel, Germany, c. 1905

An undated CdV photo shows the manager of the Hammer farm near Kiel in Germany. Photo: Theodor Kähler

Miss Witthinrich, Kiel, Germany, c. 1910

UNDATED – A CdV photo shows Ms. Witthinrich of Marutendorf in a studio in Kiel, Germany. © Mark Zanzig/zanzig.com/Photo: Kurt … More

UNDATED – A CdV photo shows August Leue with an impressive beard in a studio in Weissenfels, Germany. © Mark … More

Backside of a photo in the Carte de Visite format advertising the rates for studio services by Georg Billström in … More

Undated portrait of a man, photographed by Georg Billström in Kiel in Germany. © by Mark Zanzig/zanzig.com

An undated cabinet photo shows Charlotte Christiane Elisabeth Stellwag, born Ramm (1850-1920) in Marne, Germany. Photo: Th. H. Backens, Marne

An undated cabinet photo shows a man sitting at a desk taking notes in Hamburg, Germany. Photo: Adalbert Roth, Hamburg

An undated cabinet photo shows Martin Tiemann (1889-1968) from Wischhafen in Germany. Photo: Gustav Gock

An undated CdV photo shows a studio portrait of sailor Hans Köhler in his uniform in Kiel, Germany. Photo: Johannes … More

An undated CdV photo shows a girl with a doll in a photo studio in Potsdam, Germany. Photo: Photograph. Atelier … More