CD 1:
BEETHOVEN: Quartet in F, Op. 59, No. 1 (7 October 1969)**; Quartet in E minor, Op. 59, No. 2 (1969)**
CD 2:
BEETHOVEN: Quartet in C, Op. 59, No. 3 (Jan. 1967)*; Quartet in A minor, Op. 132 (Early 1967)*
CD 3:
HAYDN: Quartet in E flat, Op. 1, "No. 0" (1968-1973?)**; Quartet in D, Op. 2, No. 5 (1968-1973?)**; Quartet in B flat, Op. 2, No. 6 (1968-1973?)**; Quartet in F minor, Op. 20, No. 5 (1968-1973?)**
CD 4:
HAYDN: Quartet in E flat, Op. 64, No. 6 (1968-1973?)**; Quartet in B flat, Op. 76, No. 4 (1968-1973?)**; Quartet in E flat, Op. 76, No. 6 (1968-1973?)**
CD 5:
MOZART: Quartet in B flat, K. 458 (1968 or later)**; Quartet in D, K. 499 (Jan. 1967)*; Piano Quartet in E flat, K. 493 (17 Jan. 1967)***
CD 6:
MOZART: Adagio and Fugue for string quartet in C minor, K. 546 (17 Jan. 1967)*. BRAHMS: Quartet in A minor, Op. 51, No. 2 (1967)*. HUSA: Quartet No. 3 (1969 or later)**. SHIFRIN: Quartet No. 4 (13 Apr. 1969)**
CD 7:
BEETHOVEN: Quartet in F, Op. 18, No. 1 (Jan. 1971)**. BRAHMS: Trio in E flat, Op. 40, for Piano, Violin and French horn (Jan. 1971) Leonard Sorkin, violin; Barry Tuckwell, horn; Naomi Zaslav, piano. MOZART: Horn Quintet in E flat, K. 407 (Jan. 1971) Leonard Sorkin, violin; Abram Loft, viola; Bernard Zaslav, viola; George Sopkin, cello; Barry Tuckwell, horn
CD 8:
BARTÓK: Third String Quartet (1967)*. HINDEMITH: Quartet No. 3, Op. 22 (Jan. 1967)*. MARTINON: Quartet No. 2, Op. 54 (20/21 Feb. 1967)*. * Leonard Sorkin, violin; Abram Loft, violin; Gerald Stanick, viola; George Sopkin, cello. ** Leonard Sorkin, violin; Abram Loft, violin; Bernard Zaslav, viola; George Sopkin, cello. *** Leonard Sorkin, violin; Gerald Stanick, viola; George Sopkin, cello; John Browning, piano