Report of the military reconnoissance of the Susquehanna River and of the country comprised within the river part of the Chesapeake shore and Delaware canal and a line drawn from Harrisburg to Philadelphia, 1861.
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Pleasonton, A. J. (Augustus James), 1808-1894
http://n2t.net/ark:/99166/w63x91ct (person)
A.J. Pleasonton served as a brigadier general in the Civil War, commanding a detachment of Pennsylvania militia before going on to publish theoretical work on the effects of blue light. He is regarded as the father of chromotherapy. From the description of A.J. Pleasonton letter to J.H. Taylor, 1863. (New-York Historical Society Library). WorldCat record id: 725107934 ...