Dnes Khristos vo Vifleeme razhdaetsja ot Devy (Today Christ is Born by the Virgin in Bethlehem) (Bulgarian Chant) [Nunnery manuscript, 17th century]Anonymous
In Natale Sancti Petri Apostoli ad Missam, Die 30 Iunii Secundum Antiphonale Missarum Sextuplex: I. Scio Cui CredidiAnonymous