N. N. Christophe
fl. 1870s
From Eydtkuhnen in East Prussia (now Chernyshevskoye in Kaliningrad, Russia).
letter
fl. 1870s
From Eydtkuhnen in East Prussia (now Chernyshevskoye in Kaliningrad, Russia).
Darwin Correspondence Project
darwin@lib.cam.ac.uk
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