Revised and edited by Richard Epstein with a biographical sketch of the composer by Philip Hale. All text is written both in English and Spanish.

(String Solo). Contents: Violin Sonata No. 22 In A Major, K. 305 * Violin Sonata No. 20 In C Major, K. 303 * Violin Sonata No. 23 In D Major, K. 306 * Violin Sonata No. 21 In E Minor, K. 304 * Violin Sonata No. 19 In E-Flat Major, K. 302 * Violin Sonata No. 18 In G Major, K. 301 * Violin Sonata No. 24 In F Major, K. 376 * Violin Sonata No. 17 In C Major, K. 296 * Violin Sonata No. 25 In F Major, K. 377 * Violin Sonata No. 26 In B-Flat Major, K. 378 * Violin Sonata No. 27 In G Major, K. 379 * Violin Sonata No. 28 In E-Flat Major, K. 380 * Violin Sonata No. 29 In A Major, K. 402 * Violin Sonata In B-Flat Major, K. 570 * Violin Sonata No. 32 In B-Flat Major, K. 454 * Violin Sonata No. 33 In E-Flat Major, K. 481 * Violin Sonata No. 35 In A Major, K. 526 * Violin Sonata No. 36 In F Major, K. 547