Ferrill, Arther. The fall of the Roman empire : the military expalnation, with 48 illustrations / Arther Ferrill. - London : Thas and Hudson, c1986. - 192 p. : ill. ; 24 cm. Includes bibliographical references (p.182-187) and index. ISBN: 0500250952 Subjects--Geographic Terms: Rome--History--Empire. Dewey Class. No.: 937.09