Partial leaf from a 15th or 16th century Bohemian antiphonal. Contains responsory and antiphons for the feast of John the Evangelist. Used as cover for binding of Aristotle's Textus ethicoru[m] Aristotelis ad Nicomachum iuxta antiqua[m] translatione[m] cum familiarissimo co[m]mentario in eundem et co[m]pendiosis questionibus ac dubiis circa litteram emergentibus ad mentem doctissimoru[m] viroru[m] [et] magistroru[m] Martini magistri [et] Iohannis Buridani maiori pro parte decisis ([Paris]: [André Bocard for] Iehan Petit, [between 1496 and 1500]).