00401nam a22001217a 4500008004100000040001800041041000800059100001500067245004600082260005300128300001800181500008000199130821s1936    xxu    gr           eng    aCo-BoUCMbspa00aeng  aBury, J.B.04aThe Cambridge medieval historycJ.B. Bury  aNueva York (Estados Unidos)bMacMillan Co.c1936  a8 volúmenes  av. 1: The Christian Roman Empire and the Foundation of the Teutonic Kington