Manuscript, on parchment, containing copies of several treatises: 1) Tractatus de Sacramento Corpus Christi, by Baldwin, Archbishop of Canterbury (ff. 1-26); 2) De Vero Sapientia, Dialogus I and II, attributed here to Petrarch (now believed to be by Nicholas of Cusa) (ff. 27-50v); 3) De Invidia, Niccolò Perotti's translation of a sermon by Basil the Great, with a preface addressed to Pope Nicholas V (ff. 51-63); 4) De invidia et odio, Niccolò Perotti's translation of a work by Petrarch, with a preface addressed to Pope Nicholas V (ff. 63v-68v); 5) De fortuna virtute ve nominum: ad Nicolaum quintum pontificem maximum, by Niccolò Perotti (69-73v); 6) Epistle LXVII to Simplician, by St. Ambrose (ff. 74-79v); 7) Ex sermonibus quadragesimalibus: Sermone de correctione fraterna, by Leonardo di Utino, O.P. (80-86v); 8) Speculum regis Edwardii tercii, attributed here to Simon Islip, Archbishop of Canterbury (now recognized as the work of William Pagula) (ff. 87-148, with skip from 89 to 100); 9) De tenenda obedientia et evitanda superbia, by St. Augustine (ff. 148-152).