Following the American Civil War Sesquicentennial with day by day writings of the time, currently 1863.

Pinkerton at Antietam.

September 25, 2012

Library of Congress,Miscellaneous document sources

Antietam, Md. Allan Pinkerton (E. J. Allen) of the Secret Service on horseback

Antietam, Md. Allan Pinkerton (“E. J. Allen”) of the Secret Service on horseback; photograph by Alexander Gardner.

Library of Congress image.

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