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Keywords from Image Description:
Nicola Perscheid Carl Duisberg vor . de Portrt des Chemikers Carl Duisberg September in WuppertalBarmen Mrz in Leverkusen Nicola Perscheid Theodor und Jacob Hilsdorf August Sander Der rheinlandpflzische Beitrag zur Geschichte der Photographie Katalog Landesmuseum Mainz see also Menschen der Zeit Langewiesche Verlag Knigstein