Quoniam Jacob elegit sibi Dominus et

The same Alleluiaticum verse is given as an incipit in the Leon Antiphoner on fol. 45v. The Antiphoner can be consulted at http://bvpb.mcu.es/es/catalogo_imagenes/grupo.cmd?posicion=96&path=26408. The Coimbra fragment and the León Antiphoner are the only Old Hispanic manuscripts containing this Alleluiaticum verse, both sources lack notation for this chant. See RANDEL, Don M., An Index to the Chant of the Mozarabic Rite, Princeton: Princeton University Press, 1973, p. 203.