American Expeditionary Forces, Infantry, 31st Division

Thirty-first Division - Regular Army

 * World War I American Expeditionary Forces Table of Organization, 1917-1919
 * American Expeditionary Forces Distinctive Cloth Insignia Chart
 * U.S. Army Center of Military History Campaigns: World War I
 * U.S.Army Center of Military History World War I Divisions: Then and Now
 * Order of Battle of the United States Land Forces in the World War. American Expeditionary Forces. Division. Washington: Government Printing Office, 1931 Pages 21-41 (images 28-48)
 * Battle Participation of Organizations of the American Expeditionary Forces pp. 5-8

Military Units attached to the Thirty-first Division
 61st Infantry Brigade   62nd Infantry Brigade   56th Field Artillery Brigade   Divisional Troops   Trains 
 * 121st Infantry
 * 122nd Infantry
 * 117th Machine Gun Battalion
 * 123rd Infantry
 * 124th Infantry
 * 118th Machine Gun Battalion
 * 116th Field Artillery
 * 117th Field Artillery
 * 118th Field Artillery
 * 106th Machine Gun Battalion
 * 116th Machine Gun Battalion
 * 106th Engineers
 * 106th Field Signal Battalion
 * HQ Troop
 * 106th Train HQ and Military Police
 * 106th Ammunition Train
 * 106th Supply Train
 * 106th Engineer Train
 * 106th Sanitary Train (Ambulance Companies and Field Hospitals 121-124