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
"Easting, R. B.","St. Patrick's Purgatory : two versions of Owayne Miles and The vision of William of Stranton, together with the long text of the Tractatus de purgatorio Sancti Patricii",,Published for the Early English Text Society by the Oxford University Press,1991,Early English Text Society original series,,0197223001,,https://cir.nii.ac.jp/crid/1130000797943030016