There are 27 cards in his file under the name Wm. O. Winston (42)[sic]. Mostly letters of his requesting appointment in Confederate service and noting his military attributes. His position in his class at West Point at the time of his resignation was 42 of 48.

William O. Winston, Jr., appointed Cadet, age 22, from Alabama November 5, 1861, accepted December 2, 1861 at Valley Head, Alabama, died from Measles, April 12, 1862 at Chapman's Fort, South Carolina

M331: Compiled Service Records of Confederate General and Staff Officers, and Non-Regimental Enlisted Men