李艳伟2019-09-252019-09-252017-03-032012-06-01http://hdl.handle.net/20.500.12424/492278chiWith permission of the license/copyright holder中世纪早期格里高利一世基督教思想罗马教会改革the Early Middle AgesPope GregoryⅠReligious ThoughtReformation of the Roman Church格里高利一世的宗教思想与实践 [The Religious Thought and Practice of Pope Gregory Ⅰ]Thesis