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
"Keenan, Edward L.","The Kurbskii-Groznyi apocrypha : the seventeenth-century genesis of the ""correspondence"" attributed to Prince A.M. Kurbskii and Tsar Ivan IV",,Harvard University Press,1971,Russian Research Center studies,,0674505808,,https://cir.nii.ac.jp/crid/1130000797899127168