found: NUCMC data from Rutgers Univ. Libr. for Demarest, A.G. Civil War papers, 1853-1893(71st regt. N.Y. State Militia)
found: Whittmeore, H. History of the seventy-first regiment N.G.S.N.Y., c1886:p. 1, etc. (company of riflemen designated as American Rifles, in the First Regiment of New York State Militia, authorized 4 Oct, 1850; col. of regt. elected and companies raised to regt. status and named Seventy-first Regiment, Aug. 2, 1852; in 1853 regt. decided to adopt use of muskets in lieu of rifles and chg. name to American Guard; American Rifles, subsequently chgd. to American Guard or 71 Regiment, New York State Militia, and in 1862 to 71st Regiment, National Guard State of New York)
found: Union army, c1908(Seventy-first regiment; also known as American Guard and Vosburgh Chasseurs, was a N.Y.C. organ. and was one of eleven uniformed militia regts. sent to the relief of Washington upon the outbreak of the war; mustered into U.S. service May 3, 1861 for term of 3 mos.; mustered out July 30, 1861; again mustered in May 28, 1862 for 3 mos.; mustered out N.Y.C., Sept. 2; mustered in for 3rd time June 17, 1863; returned to N.Y.C. for active duty during draft riots in July; mustered out July 22, 1863)
found: Millard, H. Only 9 miles to the Junction. Written by H. Millard, Company A, 71st Regiment, N.Y.S.M., 1861.
found: History of the 71st Regiment, N.G., N.Y, c1919:t.p. (71st Regiment, New York Militia) p. 240 (a 3 month regiment)
found: National Park Service's Civil War Soldiers & Sailors System website viewed Jan. 14, 2012:(one of three units designated "71st Regiment" from New York which served in the Civil War: 71st Regiment, New York State Militia, called into federal service for 3 months, mustered in on April 10 and mustered out on July 30, 1861; the 71st Regiment, New York State Militia again called into service for 3 months, mustered in on May 12, 1862 and mustered out on June 22, 1863; and the 71st Regiment of New York Volunteers which was organized in June of 1861 and served until mustering out on July 30, 1864 at the expiration of term)