Union Major general who commanded a brigade at Bull Run and lead a corps in the desperate assault on Marye's Heights. Butterfield is also credited with the composition of Taps. ALS, 1p., a potion of a sheet measuring 7" X 4", n.p., n.d. Letter is written to "Master Willie T. Camp." "Tell Dwight Ray he might have hunted in his own private papers and given you a dozen of my autographs." Signed in his usual bold style. Excellent. (#MIL)