v. 1. Preludes and fugues of the youthful period.
v. 2. Preludes and fugues of the first master-period.
v. 3-4. Preludes and fugues of the mature master-period.
v. 5. Organ concertos and organ sonatas.
v. 6. Miscellaneous compositions on the chorale.
v. 7. The Orgelbüchlein. The catechism hymns.
v. 8. Schübler chorales. Eighteen chorales. Chorale variations.