Eight Fugues from J.S. Bach's Well-tempered Clavichord, with analytical expositions in colors and appended harmonic schemes by Bern. Boekelman - Bach, Johann Sebastian ; Boekelman, Bern.; Boekelman, Bern. [Hrsg.] (Boston [u.a.] : Boston Music Co. [u.a.], 1895)
Harmonic schemes as supplement to the colored Edition selected Fugues from J.S. Bach's Well-tempered Clavichord by Bern. Boekelman. Designed for use in Music Schools, and for self-instruction
Serie II. Enth.: Fugen Nr. 2, 5, 6, 16 (Teil I.) und Fugen Nr. 1, 2, 11, 12 (Teil II.)