-v.1. The ancient world, to 300 A. D., edited by P.J. Alexander.-v.2. The medieval world, 300-1300, edited by N.F.Cantor.-v.3. Renaissance and Reformation, 1300-1948, edited by G. R.Elton.-v.4. From absolutism to revolution, 1948-1848, edited by H. H.Rowen.-v.5. The modern world, 1848 to the present, edited by H. Kohn..