00253nam a2200097Ia 4500008004100000040002500041082001500066100001900081245002900100260002600129240215s9999 xx 000 0 und d aNORSU-DumcNORSU-Dum a940/W67/V1 aWillis, Roy F. 0aWestern Civilization/4th bD.C Heath and Company