From:
Charles Robert Darwin
To:
Eduard Koch; E. Schweizerbart’sche Verlagsbuchhandlung
Date:
20 Dec [1873]
Source of text:
Cleveland Health Sciences Library (Robert M. Stecher collection)
Summary:
Thanks for copy of translation of Variation
and the "admirable work on the microscopical structure of rock" [C. G. Ehrenberg, Mikrogeologische Studien (1873)].
Contributor:
Darwin Correspondence Project