Statistics for occurrence #1 of “Lieutenant Andrew Cowan” in chapter 4, page 31 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 5: Forts and Artillery.:

... Lieutenant Andrew Cowan
Lieutenant Andrew Cowan, commanding, and First-Lieutenant William F. Wright, sit their horses on the farther side of the Wa...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.