著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Shepard, Jonathan Edward Bound",Byzantium and Russia in the eleventh century : a study in political and ecclesiastical relations,,s.n.],1973,British thesis,,,,https://cir.nii.ac.jp/crid/1130282270111039360