Walter Emery: Notes On Bach's Organ Works (Book 1): Piano: Theory

A companion to Bach's Short Preludes and Fugues. They are the Prelude and Fugues written in:- C-BWV 553; D minor-BWV 554; E minor-BWV 555; F-BWV 556; G-BWV 557; G minor-BWV 558; A minor-BWV 559 and B flat-BWV 560.