Maps
Maps of Gaul
Map of Gallia (58 BC) with important tribes, towns, rivers, etc. (from Wikipedia)
Walker's map of Gaul in Caesar's time
Harper & Tolman's map of Gallia
Maps for Book 1
Walker's campaign map for 1.1-29
Harper & Tolman, Helvetiorum Clades (The deafeat of the Helvetii, BG 1.23-30)
Harper & Tolman, Ariovisti Clades (The defeat of Ariovistus, BG 1.42-54)
Maps for Book 2
Walker's campaign map for Book 2
Harper & Tolman, Ad Axonam Pugna (The battle at the Axona river, 2.6-10)
Harper & Tolman, Nerviorum Clades (The defeat of the Nervii, BG 2.16-28)
Harper & Tolman, Aduatucorum Oppidum (The town of the Aduatuci, 2.29-33)
Maps for Book 3
Walker's campaign map for Book 3
Maps for Book 4
Walker's campaign map for Book 4
Harper & Tolman's In Britanniam Transgressus II (Second expedition to Britain, BG 4.20-36, 5.1-23)
Maps for Book 5
Walker's campaign map for the second invasion of Britain
Maps for Book 6
Maps for Book 7
Harper & Tolman's map of Gergovia (BG 7.36-53)
Harper & Tolman's map of Alesia (BG 7.68-90)
Hodges' map of the investment of Alesia