note: lauda re. Giovanni Colombini. Cc. text attr. in some sources to Giustinian, but it is older, and found in pre-1450 sources like BML, Ashburnham 423, fol. 166r, and R2929 (copied by 1448); ed. LuisiLG, i, 316-17 (‘Nela beleza del sumo spiandore’).