1850 and 1905: BWV 1–224 are cantatas ; BWV 225–249, large-scale choral works including his Passions ; BWV 250–524, chorales and sacred songs; BWV 525–748, organ works; BWV 772–994, other keyboard works; BWV 995–1000, lute music; BWV 1001–40, chamber music ; BWV 1041–71, orchestral music; and BWV 1072–1126, canons and fugues