22v-23r . 26 cm. Photocopy (negative). [London? : British Museum? ; 19--]. 2 p., 29 cm.
For 3 voices; Italian words. Original: London, British Museum MS. Add. 29987, f. 22v-23r. Manuscript, in ink on vellum. Cf. Polyphonic music of the 14th century, v.6. Ed. W. Thomas Marrocco; cf. also: RISM.