. . "\u0098The \u009Cvision of Piers Plowman : a critical edition of the B-text based on Trinity College Cambridge MS B.15.17, with selected variant readings, an introduction, glosses, and a textual and literary commentary / William Langland ; [edition] by A.V.C. Schmidt/ New ed. / London : Dent , 1987" . . "1987"^^ . . "1"^^ .