Gibbon's Decline and fall of the Roman Empire : vol-4 / Introduction by Christopher Dawson. Decline and fall of the Roman Empire. Gibbon, Edward. Dawson, Christopher. 937 GID Includes index. London : Dent, 1969. 1969. 1969 Text 6vol: eng Everyman's Library. Rome History Empire, 30 B.C.-476 A.D. Byzantine Empire History To 527.