Appian's Roman history - Appianus, sec. II (W. Heinemann; Macmillan, 1912)
English and Greek on opposite pages.
"The first two vols. of the present ed. have been rev. and prepared for the press by J.D. Denniston; the last two vols. by E. I. Robson".
Various reprints: select "n.item" to see the date of publication of each volume.