01-03. SONATA FOR TWO PIANOS IN B FLAT MAJOR, OP.1A
04-05. SONATA FOR TWO PIANOS IN B FLAT MAJOR, OP.12
06-08. SONATA FOR PIANO FOUR HANDS IN E FLAT MAJOR, OP.14/3
09-10. SONATA FOR PIANO FOUR HANDS IN C MAJOR, OP.3/1
11-12. SONATA FOR PIANO FOUR HANDS IN E FLAT MAJOR, OP.3/2
13-15. SONATA FOR PIANO FOUR HANDS IN C MAJOR, OP.6/1
16-17. SONATA FOR PIANO FOUR HANDS IN G MAJOR, OP.3/3