"Welsh." . . "Gedichten." . . "Poésie galloise Avant 1500 Histoire et critique." . . . . "To 1550" . . . . "Criticism, interpretation, etc" . "Criticism, interpretation, etc"@en . "Astudiaethau ar yr Hengerdd : Studies in old Welsh poetry ; cyflwynedig i Syr Idris Foster" . . . . . . . . . . "Astudiaethau ar yr hengerdd : cyflwynedig i Syr Idris Foster = Studies in old Welsh poetry" . "History" . . "Studies in old Welsh poetry" . . "Astudiaethau ar yr hengerdd cyflwynedig i Syr Idris Foster = Studies in old Welsh poetry" . . . "Astudiaethau ar yr hengerdd Studies in old Welsh poetry"@en . . "History"@en . . "Astudiaethau ar yr hengerdd" . . . . . . . . . "Astudiaethau ar yr hengerdd = Studies in old Welsh poetry" . . . "Wales" . .