[65]: Letter in Records AGO.
[66]: See Kuhn, pp. 263-267, and Davis, pp. 13-14 and pl. 3.
[67]: Act of February 10, 1814 (Military Laws, pp. 251-252).
[68]: Letter dated January 12, 1814, from Irvine to Secretary of War (Records AGO).
[69]: See Kivett, p. 59.
[70]: A letter dated July 29, 1817, from Irvine to Secretary of War describes the device; a letter dated August 4, 1817, from the Adjutant and Inspector General (Daniel Parker) to Irvine authorizes the plate but gives no description. Both letters are in Records AGO.
[71]: See McClellan, pp. 25, 44.
[72]: General Regulations, pp. 154-162.
[73]: Letter dated January 4, 1822, from Secretary of War to Irvine (Records AGO).
[74]: General Order No. 38, Headquarters of the Army, May 2, 1833. (Photostatic copy in files of division of military history, Smithsonian Institution.)