Samuel W., Jr. German Order of Battle, Volume One: 1st – 290th Infantry Divisions in WWII. PA; UnitedStates of America: Stackpole Books. 2007. ISBN 978-0-8117-3416-5
本團第4營於1967年春前往南越,最初作為第196步兵旅(英语:196th Infantry Brigade (UnitedStates))下屬單位在D戰區(英语:War Zone D)和柬埔寨邊境附近的西寧市周圍活動。 Patrick Feng. The 31stInfantry Regiment – The Campaign