Sergeant Major of the Army Position and Duties is a 1966 General Order written by Stanley R. Resor about the SMA.

The Army’s Sergeants Major Make a Proposal to Meet the Need is a 1965 information brief written by Lt. Col. Fox.

SMA Nomination Mail is a 1966 letter sent out by Harold K. Johnson about the establishment of the rank of SMA.

Historical Interview Questions- SMA Wooldridge is a 1991 interview with former Sergeant Major of the Army William O. Wooldridge.

A Sergeant Major of the Army Named is a 1968 Army Digest article about the creation of the rank of Sergeant Major of the Army.

A Sergeant Major of the Army Named is a 1966 New York Times article about the appointment of William O. Wooldridge as SMA.

A Voice for the Enlisted man in the Office of the Chief of Staff is a 1966 ARMY article about William O. Wooldridge.

Wooldridge Article is a 1966 Army Digest article written by Carl Martin about William O. Wooldridge and the Vietnam War.