=031  ##$aNA$dNA$eNA
=001  1000001290
=041  ##$aLatin
=100  ##$aPierre de la Rue$dc1452-1518$0182
=240  ##$aMissa Ave sanctissima Maria: Sanctus: Pleni sunt celi$kOrdinary of the Mass$m2vv, 2 in 1, B2, B1$oMass section$0378
=245  ##$aNA
=300  ##$aparts, f.32vÐ42
=500  ##$aNA
=773  ##$w1000000182
=852  ##$aB-Br$cMS 6428$eBibliothèque Royal Albert 1er/Koninklijke Bibliotheek Albert I$x3
=695  ##$ainvertible canon$b1$c2$dex$e4th$fAbove$g1$hbreve(s)$oNA$0961