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
"Langland, William and Skeat, Walter W. (Walter William)","Parallel extracts from twenty-nine manuscripts of Piers Plowman, with comments, and a proposal for the Society's three-text edition of this poem",,Published for the Early English Text Society by N. Trübner & Co,1866,Early English Text Society original series,,,,https://cir.nii.ac.jp/crid/1130000795082246272