Statistics for occurrence #1 of “Lieutenant Weatherley” in chapter 9 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 4: The Cavalry:

... Lieutenant Weatherley
John Allan Wyeth, M. D., Ll.D., late C. S. A. The battle of Chickamauga was fought on the 19th and 20th of September, 1863...
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