http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Roman Empire from Severus to Constantine
xvi, 501 pages : illustrations, maps ; 24 cm.
The third century : the nature of the problem -- Emperors and usurpers : 180-260 -- Schism and reunification : 260-84 -- A world geared for war : 284-306 -- Constantine : the empire reshaped, 306-337 -- Beyond the northern frontiers -- Beyond the eastern frontiers -- The empire transformed.
Includes bibliographical references (pages [465]-490) and index.
9780415738071 (hardback : alkaline paper)
9780415738088 (paperback : alkaline paper)
9781138826694 (paperback : alkaline paper)