Search: Köppen, F. T. in addressee 
Darwin, C. R. in correspondent 
Köppen, F. T. in correspondent 
1870-1879::1874 in date 
Sorted by:

Showing 11 of 1 item

From:
Charles Robert Darwin
To:
Friedrich Theodor Köppen (Fedor Petrovich Keppen)
Date:
18 Nov 1874
Source of text:
Archive of the Russian Academy of Sciences, St Petersburg branch: SPBB ARAS (Fond 92. Register 1. Folder 112. P. 3, 3 r)
Summary:

Thanks FTK for telling him of Jahn’s work [see 9719], of which CD had not heard. It would have been of greatest use in writing Descent.

Contributor:
Darwin Correspondence Project