The B-version of 'Piers Plowman', perhaps the only version authorised by Langland, is the one most frequently read today, and the most influential form of the poem. This catalogue of the extant medieval manuscripts, now locaed in Cambridge, London, Oxford, Tokyo, and San Marino, California, offers both individual manuscript descriptions and a record of the annotations. The new and detailed codicological descriptions include information on provenance and ownership, a full list of the contents, and a description of the physical make-up and the presentation of each manuscript. The first...