Statistics for occurrence #1 of “Brigadier-General J. B. Ricketts” in page 200 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 10: The Armies and the Leaders.:

...nnock (McDowell's command) and Brigadier-General W. F. Smith's division of the Fourth Army Corps. Franklin was the first commander, and he was followed by Major-Generals W. F. Smith, John Sedgwick, Brigadier-General J. B. Ricketts , Major-General H. G. Wright, and Brevet Major-General G. W. Getty. One division of the corps was prominent at Gaines' Mill, where there were about twenty thousand men present for duty, and it was par...
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