M 6 Miscellaneous Collections

M 7 General Collections - Original Compositions

M 8 Sonatas

M 9 Suites & Cyclical Works

M 10 Fugues

M 12 Collections

M 14 Accompaniments to Collections of Psalms & Hymns

M 180 One or more organ, two or more players

M 200-204 Organ and one other instrument

M 300-304 Organ and two other instruments

M 400-404 Organ and three other instruments

M 1005 Concertos with orchestra

M 1006 Concertos with orchestra (arranged)