=001 1000002053 =031 ##$a1$b1$c1$eCanon / notatus quod tenor fecit contratenorem siquando … / sed contratenor pron[uncia]tur in proportione d[upla] … semel (JJS) =040 ##$aAuArU$beng =041 0#$aDutch =100 1#$aAnonymous$02243 =240 10$aBlijfs mi doch bi, gheselle goet$m4vv? 2 in 1 (T and Ct), Solus T, C (lost)$0480 =245 10$aNA =590 ##$avocal parts$bf.1$801 =593 ##$aManuscript copy$801 =594 ##$bVocal parts - 2 in 1: T, Ct; C (lost)$c4 =650 07$aVirelai$041 =695 ##$aproportional canon$b1$c2$dto$eunison$f $g0$h $078 =773 18$w1000000357 =852 ##$aNL-Au$cMs. ES 64$eUniversiteitsbibliotheek$x580 =980 ##$aRISM$cexamined