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
"Wyatt, David (David R.)","Slaves and warriors in medieval Britain and Ireland, 800-1200",,Brill,2009,"The northern world : North Europe and the Baltic c. 400-1700 A.D. : peoples, economies and cultures",,9789004175334,,https://cir.nii.ac.jp/crid/1130000797903306112