Medieval monarchy in action

Hill, Boyd H. Jr.. Medieval monarchy in action: the German Empire from Henry I to Henry IV / Boyd H. Hill, Jr. . - London : George Allen and Unwin Ltd, New York : Barnes & Noble Books, 1972 . - 251 p. 23 cm. - (Historical problems : studies and documents ; 15 )
К.: Бібліогр. : c. 242-244, Index
0-04-943017-3 389-04652-3