Antiphonarium Missarum Sextuplex - Abbreviations: In Introit, InP Psalm verse for the introit, InR Versus ad repetendum for the Introit, Gr Gradual, GrV Verse for Gradual, Tc Tractus (verses are not distinguished), Al Alleluia, AlV extra verse for Alleluia, Of Offertory, OfV Verse for Offertory, Cm Communion, CmP Psalm verse for the communion, CmR Versus ad repetendum for the communion, An Antiphon, Va Varia, Ru Space for a rubric M, R, B, C, K, S Hesbert's sources containing this item.