=031  ##$aNA$dNA$eNA
=001  1000001453
=041  ##$aLatin
=100  ##$aPierre de la Rue$dc1452-1518$0182
=240  ##$aMissa L'homme armé: Kyrie II$kOrdinary of the Mass$m4vv, 2 in 1, T, B, S, A$oMass section$0384
=245  ##$aScottish Anonymous
=300  ##$aparts, f.43r
=500  ##$aNA
=773  ##$w1000000214
=852  ##$aGB-Lbl$cAdd. 4911$eBritish Library$x170
=695  ##$amensuration canon$b1$c2$dex$e8ve$fNA$g0$hNA$oC2Ü C3$01125