Caesar 1917, p. 6:32: "...impedimenta omnium legionum Aduatucam contulit. Id castelli nomen est. Hoc fere est in mediis Eburonum finibus..." Caesar, Julius (1917). The Gallic War. Loeb Classical Library. Translated by Edwards, H. J. Harvard University Press. ISBN978-0-674-99080-7.