- letter, Henry G Mathers to his mother, 28 January 1862
- their frequent drills 'took all the laziness out of' Joseph H Budd
- letter, Andrew Brown to his father and sister, 4 August 1862
- they had battalion drill every afternoon
- 'we are now one of the best drilled regiments in the service[.] its [sic] not likely well [sic] leave here for some time if at all[.] general Wadsworth says we give more satisfaction than any regiment he has had yet[.]'
- letter, Andrew Brown to his father and sister, 3 April 1863
- they were to have target practice twice a week and drill four hours a day
See general order 18, 91st PA, 8 May 1862 (#7)
See circulars received, from brigade hq, 1 Aug 63
see circulars received, from brigade hq, 12 Aug 63 (#14)
see circulars received, from brigade hq, 16 Aug 63 (#17)
See general order 2, HQ 91st PA, 7 March 1864
See also camp schedules.
see general order 7, HQ 91st PA, 14 April 1864
see letter, [Lentz] to Bennett, 8 July 1864
letter, Sellers to Bennett, 2 Sep 64
letter, Sellers to Tayman, 16 Sep 64
g.o.2, HQ 91st PA, 6 Jun 65