Search: Hagen, Hermann August in correspondent 
Wallace, Alfred Russel in correspondent 
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1870-1879 in date 
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Text Online
From:
Hermann August Hagen
To:
Alfred Russel Wallace
Date:
18 February 1870
Source of text:
British Library, The: BL Add. 46435 ff. 159-160
Summary:

No summary available.

Contributor:
Alfred Russel Wallace Correspondence Project
Text Online
From:
Alfred Russel Wallace
To:
Hermann August Hagen
Date:
26 January 1870
Source of text:
Ernst Mayer Library, Museum of Comparative Zoology, Harvard University: bMu 2900.10.2
Summary:

No summary available.

Contributor:
Alfred Russel Wallace Correspondence Project