P-Cua (Coimbra) Arquivo Distrital e da Universidade IV-3ª Gav. 44 (03)

From the same book as P-Cua IV-3ª Gav. 44 (20), which was used as a cover for administrative registers at the College of Jesus.
The musical and liturgical contents of this fragment show a close proximity with the same feasts as found in Toledo, Catedral - Archivo y Biblioteca Capítulares, 44.2. The same can be seen in the related fragment Gav. 44 (20).

NOTES ON THE CHANT INDEX:
The Responsory 'Simile est regnum' (CI 602213) is only found in Iberian sources and in the Antiphoner from Marseille cathedral F-Pnm lat. 1090, dated between 1190 and 1200. See http://cantusindex.org/id/602213.
The Responsory 'Domine si tu es' (CI 006515) is paired with the Verse 'Cumque vidisset' (CI 006515zb), which contains a textual variant so far only found among Iberian manuscripts. See http://cantusindex.org/id/006515.
The Responsory 'Ego pro te' (CI 006630) is paired with the Verse 'Simon ecce Satanas' (CI 006630zd), normally found in Iberian manuscripts. See http://cantusindex.org/id/006630zd.