Source P-VV (Vila Viçosa) Biblioteca do Palácio Real A.M. D-005 Folio 071r Sequence 002 Text Juravit dominus et non paenitebit eum tu es sacerdos in aeternum secundum ordinem Melchisedech Feast Gregorii Liturgical occasion MI Genre Gr Mode 3 Cantus ID g02035 Images 070v-071r 071v-072r
