Caesar. A Sketch. James Anthony Froude. Chap. xiii.
Caesar in Gaul.
Caesar. A Sketch. James Anthony Froude. Pp. 198, 217.
Caesar's Army and a Modern Army Compared.
Great Captains. Theodore A. Dodge. Chaps. xxiii, xlvi.
The Animals of the Hercynian Forest.
Grace G. Begle. School Review. Vol. viii, p. 457.
Caesar's Favorite Horse.
Rome: The Eternal City. Clara Erskine Clement. Vol. i, p. 362.
Ancient Rome in the Light of Recent Discoveries. Rodolfo Lanciani. P. 84.