Arthur Tappan Walker

Map of the naval operations between Caesar and the seafaring Veneti (Caesar's Gallic War 3.14-15). From Arthur Tappan Walker, Caesar's Gallic War (Chicago: Scott, Foresman and Co. 1907), p. 232. 

Map of the arena of the campaign against Ariovistus (Caesar's Gallic War 1.30-54). Brown shows territory that was already under Roman control when Caesar received the province, red states that Caesar conquered, and blue states that submitted to Caesar without fighting. From Arthur Tappan Walker, Caesar's Gallic War (Chicago: Scott, Foresman and Co. 1907), p. 117. 

Map of the arena of the first expedition to Britain and a campaign against the Germans (Caesar's Gallic War Book 4). Brown shows territory that was already under Roman control when Caesar received the province, red states that Caesar conquered, and blue state that submitted to Caesar without fighting. From Arthur Tappan Walker, Caesar's Gallic War (Chicago: Scott, Foresman and Co. 1907), p. 254. 

Map of the arena of the campaigns through the Alps, in Aquitania, and against the Veneti (Caesar's Gallic War Book 3). Brown shows territory that was already under Roman control when Caesar received the province, red states that Caesar conquered, and blue state that submitted to Caesar without fighting. From Arthur Tappan Walker, Caesar's Gallic War (Chicago: Scott, Foresman and Co. 1907), p. 217. 

Map of the arena of the campaign against the Belgae. Brown shows territory that was already under Roman control when Caesar received the province, red states that Caesar conquered, and blue state that submitted to Caesar without fighting (Caesar's Gallic War Book 2). From Arthur Tappan Walker, Caesar's Gallic War (Chicago: Scott, Foresman and Co. 1907), p. 162. 

Map of the events of the campaign against the Helvetii. Brown shows the part of Gaul already under Roman control when Caesar received the province, red the states that Caesar conquered, blue the states that submitted without fighting (Caesar's Gallic War 1.1-29). From Arthur Tappan Walker, Caesar's Gallic War (Chicago: Scott, Foresman and Co. 1907), p. 42.