The era of Charlemagne : Frankish state and society / Stewart C. Easton and Helene Wieruszowski. Easton, Stewart C. Wieruszowski, Helene, joint author. Charlemagne, Emperor, 742-814. Social history Medieval, 500-1500. DC73 .E2 1979 944.01 EAE Huntington, N.Y. : Krieger Pub. Co., c1961. c1961. 1961 Text 191 p. : eng France History To 987.