Contributors 1 - 33

• Allied Forces. Army Group, 12Th. Engineer Section [417]
• Abbot, Henry L. [6]
• Sneden, Robert Knox [5]
• Western and Atlantic Railroad Company [4]
• United States. Army. Corps of Engineers [4]
• Joerg, W. L. G. [3]
• Ruger, Edward [3]
• Formby, John [2]
• United States. War Dept [2]
• Blakeslee, G. H. [2]
• Mattern, H. W. [1]
• United States. Bureau of Naval Personnel. Training Aids [1]
• Wiser, Angelo [1]
• Van Horne, Thomas B. [1]
• Spain. Ejercito. Cuerpo De Ingenieros [1]
• Faden, William [1]
• Center of Military History [1]
• United States. National Park Service [1]
• Allen, Orrin Sweet [1]
• Rhodes, James Ford [1]
• Hart, J. [1]
• Baumgarten, J. [1]
• United States Coast Survey [1]
• United States. War Dept. Corps of Engineers [1]
• Brooks, Alfred F. [1]
• Germany. Heer. Generalstab [1]
• Germany. Kriegsmarine. Oberkommando [1]
• United States. Navy [1]
• Bufford, John Henry [1]
• Hergesheimer, E. [1]
• France. Armee. Armee, 8E. Etat Major. Bureau, 2E [1]
• United States. Army. Infantry Division, 45th [1]
• Herrera, Alvino [1]