Commentaries on the Gallic War
  Book, Chap.
1       I,  1 |        laws. The river Garonne separates the Gauls from the Aquitani;
2       I,  2 |    broad and deep river, which separates the Helvetian territory
3       I,  2 |      by the river Rhone, which separates our Province from the Helvetii.
4       I,  8 |    Rhone, to Mount Jura, which separates the territories of the Sequani
5       V,  11|    which is called the Thames, separates, from the maritime states
6     VII,  5 |      to the river Loire, which separates the Bituriges from the Aedui,
7     VII,  8 | although mount Cevennes, which separates the Arverni from the Helvii,