TY - BOOK AU - Bauer,Susan Wise TI - The history of the medieval world: from the conversion of Constantine to the First Crusade SN - 0393059758 : HRD AV - D117 .B34 2010 U1 - 909.07 22 PY - 2010/// CY - New York PB - W.W. Norton KW - Middle Ages KW - Civilization, Medieval N1 - Includes bibliographical references and index N2 - Chronicles the period between the 4th and 12th centuries, when religion became the justification for political and military action, a time that included the development of Islam, the crowning of Charlemagne, and the rise of the T'ang Dynasty ER -