Statistics for occurrence #1 of “Lieut.-Col. William Hays” in chapter 2.22 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War. Volume 3.:

... N. Y., Maj. Ira Spaulding. Brigade loss: k, 8; w, 48 == 56. Battalion U. S. Engineers, Lieut. Charles E. Cross. Loss: w, 1; m, 2 == 3. artillery, Brig.-Gen. Henry J. Hunt. Artillery Reserve, Lieut.-Col. William Hays : 5th N. Y., Capt. Elijah D. Taft; A, 1st Batt. N. Y., Capt. Otto Diederichs; B, 1st Batt. N. Y., Capt. Adolph Voegelee; C, 1st Batt. N. Y., Lieut. Bernhard Wever; D, 1st Batt. N. Y., Capt. Charles Ku...
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