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Blair, R. H. in addressee 
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From:
Charles Robert Darwin
To:
Robert Hugh Blair
Date:
[before 16 Mar 1871]
Source of text:
DAR 96: 100
Summary:

Thanks RHB for information on expression in the blind.

Sends queries on expression and asks whether he could answer them with respect to those born blind.

Contributor:
Darwin Correspondence Project
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