The Late Republic and the Principate -- International relations / Harry Sidebottom -- Military forces / Boris Rankov -- War / Adrian Goldsworthy -- Battle / Catherine M. Gilliver -- Warfare and the state / Dominic Rathbone and Richard Alston -- War and Society / Colin Adams -- The later Roman Empire -- International relations / Mark Humphries -- Military forces / Hugh Elton -- War / Michael Whitby -- Battle / Philip Rance -- Warfare and the state / A.D. Lee -- War and Society / Andrew Fear