Twelve preludes -- Six little preludes -- A little fugue in C minor in two voices -- Fugue in C major -- Fugue in C major -- Fugue in D minor -- Fugue in E minor -- Fugue in A minor -- Fugue in A major -- Prelude and fughetta in D minor -- Prelude and fughetta in E minor -- Prelude and fugue in E flat major -- Prelude and fugue in A minor.