P-Cug (Coimbra) Biblioteca Geral da Universidade MM 1063 (78)
Some chants for All Saints followed by the Office for St. Martin of Tours.
Several additions by later hands on fol. 151r: "16" penciled on top left corner by a 20th-century hand; earlier ink inscription "NJ3G39" in the middle; "sec. XIV princípio - / 1 -11 Novº / de S. Martinho" penciled below.
CORBIN, Solange, Essai sur la musique réligieuse portugaise au Moyen Age (1100-1385), Paris, Les Belles Lettres, 1952
Medium size Aquitanian notation. The lozenge is widely but freely employed (does not convey information on the placement of the semitones).