Statistics for occurrence #1 of “Official Records” in chapter 3.34 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War. Volume 3.:

...pon the reports of brigade and division commanders, aggregated 1649 killed, 9106 wounded, and 1708 captured or missing = 12,463. The return of the Army of Northern Virginia for March 31st, 1863 ( Official Records , Vol. XXV., Pt. II., p. 696), shows an effective total of all arms of 57,112. To this number there should be added the net increase during the month of April, a period of rest and recruiting, ...
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Official Records 488 122 0 0 0 user votes

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