US Army Center
U.s. Army Center of Military History: William Eustis
This site details all of the offices held by William Eustis and provides a portrait of him. From the 1992 version of the Secretaries of War and Secretaries of the Army book.
US Army Center
U.s. Army Center of Military History: John Armstrong
A brief biography of the Madison appointee, John Armstrong, from the 1992 version of the Secretaries of War and Secretaries of the Army book.