Campaign Map of 55 and 54 BC by F.W. Kelsey

Map of the campaigns of the years 55 and 54 BC, during which Caesar led two expeditions to Britain, subdued the Treveri, and put down another Gallic revolt led by Ambiorix (Caesar's Gallic War Books 4 and 5). From Francis W. Kelsey, Caesar’s Commentaries (New York: Allyn and Bacon, 1918), p. 232.