Statistics for occurrence #1 of “Official Records” in chapter 6.82 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War. Volume 3.:

...,000 officers and men of all arms present for duty at Port Hudson, besides the Corps d'afrique, which is not re-ported on any of the returns for that month. According to the return for June 30th ( Official Records , Vol. XXVI., Pt. I., p. 611), the present for duty (including the Corps d'afrique) aggregated 23,962, but Colonel Irwin, who (as assistant adjutant-general) made all these figures, informs us tha...
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Official Records 488 122 0 0 0 user votes

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