English: Fredrick H. Dyer working on the Compendium, from The Des Moines Register and Leader April 26, 1908
Date
Source
Dyer, Frederick H. (1959). Compendium of the War of the Rebellion. New York: Thomas Yoseloff; p. 696-1.
Author
Unknown authorUnknown author
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Light sepia filter added to give daguerreotype effect, enhanced tones/contrast to improve overall clarity. The original can be viewed here: Frederick H Dyer.jpg: .
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