=031 ##$aNA$dNA$eNA =001 1000001489 =041 ##$aLatin =100 ##$aJean de Ockeghem$d1410-1497$0160 =240 ##$aMissa Prolationum (multiple sections)$kOrdinary of the Mass$m4vv$oMass$0263 =245 ##$aNA =300 ##$aparts, f.208r-221r =500 ##$aNA =773 ##$w1000000222 =852 ##$aA-Wn$cCod. 11883$eƖsterreichische Nationalbibliothek$x268