Book 1 — CHAPTER XI. A RETROSPECTIVE GLANCE AT CLASSICAL SCIENCE
Reading edition
(p. 298). Dion Cassius, as preserved by Xiphilinus. Our extract is quoted from the translation given in The Historians' History of the World (edited by Henry Smith Williams), 25 vols., London and New York, 1904, Vol. VI., p. 297 ff.
(For further bibliographical notes, the reader is referred to the Appendix of volume V.)