These first volumes of the series Arthurian Archives present the Old French verse texts devoted to Tristan and Iseut. Authoritative critical editions are complemented by parallel translations, with introduction, variants and rejected readings, and critical notes. The Tristan tradition in medieval France is dominated by two longer poems by Beroul and Thomas, both included in these volumes; the full contents of the two volumes are: I. Beroul, The Romance of TristranNORRIS J. LACY; Les Folies Tristan: La Folie Tristan (Berne) and La Folie Tristan (Oxford) SAMUEL N. ROSENBERG II. Thomas, Tristan STEWART GREGORY; ‘The Carlisle Fragment’ of Thomas’s Tristan IAN SHORT; Marie de France, Chevrefeuil RICHARD O'GORMAN; Tristan Menestrel and Tristan RossignolKAREN FRESCO NORRIS J. LACY is Professor of French at the Pennsylvania State University.