Sonata in C major, IX:26, 1791 Sonata in F major, IX:29, 1792 Sonata in C major, IX:32, 1795 Sonata in C major, D279 Sonata in C major, K279/189d Sonata in F major, K280/189e Sonata in G major, K283/189h Sonata in A major, D 959 Sonata in A major, D. 959 Sonata in A major, K. 526