Statistics for occurrence #1 of “General E. V. Sumner” in chapter 5.63 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War. Volume 3.:

...e 1st of April Schofield was, at his own request, relieved from duty in Missouri. Curtis's conduct, however, soon raised such a storm in Missouri that the President on the 10th of March ordered General E. V. Sumner , from the Army of the Potomac, to relieve him. Sumner died on the way to St. Louis, and thereupon the President, on the 13th of May, ordered Schofield to relieve Curtis. Schofield at once postpon...
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