31. There is some confusion about the opus number for the " Concert Allegro ". 32. The nocturnes were published posthumously in Moscow in 1949, but were not assigned an opus number . 33. For works without opus numbers , the convention is to follow the supplemental JS numbering system of. 34. There are long gaps in the sequence of opus numbers and many marches have no opus number assigned. 35. There are long gaps in the sequence of opus numbers and many marches have no opus number assigned. 36. His compositions include five liturgical music, among other works, over 170 published opus numbers in all. 37. The opus number 59 was assigned posthumously to three piano pieces " " ( 1928 ). 38. However, the quartet was never published in his lifetime and so was never assigned an opus number . 39. The first list presents only works that were published and assigned opus numbers by Reicha's publishers. 40. The loss of these works, however, is more than compensated for by works without opus numbers .
