Original: 1490-1508 Parchment Nationalbibliothek, Vienna The folio from this gradual with polyphonic masses contains the Missa Salve diva parens, from Kyrie I, by Jacob Obrecht (Hobrecht). View the portrait of the composer by Hans Memling. , Artist: MINIATURIST, Flemish , Graduale , 1451-1500 , Flemish , illumination , religious