Statistics for occurrence #1 of “E. V. Sumner” in chapter 1.2 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: The Opening Battles. Volume 1.:

...t. Brig.-Gen. James B. Fry. Brevet Lieut.-Gen. Winfield Scott (General-in-chief) Brig.-General John E. Wool Brig.-General David E. Twiggs Brig.-General William S. Harney. (Note.- E. V. Sumner was promoted Brigadier-General March 16, 1861, vice David E. Twiggs, dismissed March 1, 1861.) * Afterward in the Confederate service. Secretary of the Navy: Gideon Welles. Ass...
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E. V. Sumner 1,047 16 25 0 0 user votes

† 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.