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Duchenne, G. B. A. in correspondent 
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From:
Charles Robert Darwin
To:
Guillaume Benjamin Amand Duchenne
Date:
about 10 Mar [1871]
Source of text:
DAR 96: 103–8
Summary:

Asks permission to copy plates from GBAD’s work [Mécanisme de la physionomie humaine (1862)] to illustrate Expression.

Contributor:
Darwin Correspondence Project
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From:
Guillaume Benjamin Amand Duchenne
To:
Charles Robert Darwin
Date:
25 Mar 1871
Source of text:
DAR 162: 243
Summary:

Gives CD permission to use photographs of expressions.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Guillaume Benjamin Amand Duchenne
Date:
29 Mar [1871]
Source of text:
DAR 96: 109–10
Summary:

Thanks GBAD for permission to use his photographs [see 7623] and for the information on the expression of astonishment in monkeys.

Contributor:
Darwin Correspondence Project
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