148 pp. Small folio. Some wear to extremities, text block clean and white. Sonatas and partitas for violin alone, no. 1-6, BWV 1001-1006, edited by Alfred Dorffel. Sonatas for violin and clavier, no. 1-6, BWV 1014-1019, edited by Wilhelm Rust. Facsimile of volumes 27 and 9 of the Bach Gesellschaft edition.