Excerpt from Cavalry Drill Regulations: United States Army, Adopted Oct, 3, 1891
A board of officers consisting of Lieut. Col. Louis II. Carpenter, Seventh Cavalry; Capt. Edward S. Godfrey, Seventh Cavalry ; and Capt. Ernest A. Garlington, Seventh Это и многое другое вы найдете в книге Cavalry Drill Regulations