P-BRam (Braga) Arquivo Municipal Nº 012 Códices
The fragment contains the Office for St. Gerald of Aurillac, commemorated on the 13th October, and which is also found in few other sources: F-Pn lat. 2826, lat. 944, lat. 776 and E-Tc 44.2. This Portuguese fragment includes the end of the Resp. Cumque iam tempus, four supernumerary antiphons, six antiphons for Lauds, and the Magnificat antiphon, O homo dei beate Geralde.
Ferreira, Manuel Pedro. ''Two Offices for St. Gerald: Braga and Aurillac.'' In Commemoration, Ritual and Performance: Essays in Medieval and Early Modern Music, edited by Jane Morlet Hardie ; with David Harvey. Ottawa: Institute of Mediaeval Music, 2006, pp. 37-52.
Ferreira, Manuel Pedro. Aspectos da música medieval no ocidente peninsular, Volume 2. Imprensa Nacional-Casa da Moeda, 2009
Huglo, Michel. "La penetration des manuscrits aquitains en Espagne". Revista de Musicologia, viii, 2 (1985), pp. 249-56, at 251-2.
Its Aquitanian notation uses a dry-point line and slanted puncta for sub-semitonal degrees, being thus a forerunner of the typical Portuguese notational variety of the 13th-15th centuries.