Leaves from an antiphonary or breviary used as flyleaves beginning with chants for the Septuagesima Sunday (the ninth Sunday before Easter). Space was left for a musical notation.
John Philoponus, In Analytica posteriora. M. Wallies, Philoponus in Aristotelis Analytica Posteriora Commentaria (Commentaria in Aristotelem Graeca 13.3), Berlin 1909, pp.1, l. 1 -16, l. 17 Also includes lemma in Vat. gr. 247, inc. πᾶσα; expl. γνώσεως.