00310nam a2200121Ia 450000500170000000800410001704100080005808200130006610000210007924500490010026000300014930000090017920260720174608.0260720s1891    xx            000 0 und d  aeng  a900 EMEI  aEmerton, Ephraim  aIntroduction to the study of the middle ages  aUSAbGinn & Companyc1891  a268p