=031  ##$a1.123.1.$dNA$eNA
=001  1000000497
=041  ##$aLatin
=100  ##$aPycard$dfl. 1410$099
=240  ##$aSanctus (OH no. 123)$kOrdinary of the Mass$m3vv (+2vv lost), 2 in 1 on T$oOrdinary setting$0140
=245  ##$aOld Hall Manuscript
=300  ##$aparts, f.100v
=500  ##$aNA
=773  ##$w1000000029
=852  ##$aGB-Lbl$cAdd. 57950$eBritish Library$x170
=695  ##$aunison canon$b1$c2$dex$eunison$fNA$g3$hbreve(s)$oc$0127
=695  ##$aunison canon$b1$c2$dex$eunison$fNA$g6$hbreve(s)$oc$0129