=033  ##$a1520
=001  1000000138
=240  ##$aNA$02
=245  ##$aMS Mus. IX
=300  ##$amanuscript of polyphony, $c495 x 330
=340  ##$dNA
=592  ##$aNA
=774  ##$w1000001055
=774  ##$w1000001056
=774  ##$w1000001057
=774  ##$w1000001058
=774  ##$w1000001059
=774  ##$w1000001060
=774  ##$w1000001061
=852  ##$aI-MOd$cMS Mus. IX$eDuomo, Biblioteca e Archivio Capitolare$x400
=856  ##$uNA$zNA