=033  ##$a1516
=001  1000000181
=240  ##$aNA$02
=245  ##$aMS 228
=300  ##$amanuscript of polyphony, $c365 x 260
=340  ##$dNA
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=774  ##$w1000001276
=852  ##$aB-Br$cMS 228$eBibliothèque Royal Albert 1er/Koninklijke Bibliotheek Albert I$x3
=856  ##$uhttp://www.cmme.org/database/sources/3$zCMME oline edition