163 pp. Light wear to corners, inside fine. Piano solos with orchestra accompaniments arranged for second pianos. Originally published separately by G. Schirmer as Tschaikowsky - Op.23 - Concerto No. 1 in Bb minor - for the piano - edited and revised by Raoul Josseffy, and Sergei Rachmaninoff - Op. 18 - Second Concerto - Vols. 1576 & 1045 Schirmer's Library of Musical Classics.