[source: regimental letters book]
[the consolidated morning report for 1 Nov 63 has 268 [or 269] men present and 141 [or 140] men absent]
Hd. Qrs. 91st Regt. P.V.
November 1st 1863
Capt. A. S. Marvin Jr
Ass Adj't Gen.
Captain
I have the honor to report in compliance with Special Orders No 282 Hd. Qrs Army of the Potomac of Oct. 31. 63 that this Regt was accepted by the War Dept. Aug 2. 63 [sic; presumably 2 Aug 1861] and the organization was complete Dec 4. 1862 [sic; actually 4 Dec 1861]. The total strength is 436. The Strenght [sic] Present 260. The Strength Absent 176.
I am Captain Very Respectfully
Signed E. M. Gregory
Col. Com 91st Regt. PV