Collection of papal letters and instruments dealing with the order of the Eremite Friars of St. Augustine (the Augustinians). Written in two parts (f. 1r-69v, 71r-125v) "ad usum fratris Joannis Angeli de Crema," commissioned by the Augustinian theologian and abbot Antonio Meli. The collection begins with a bull of Pope Sixtus IV. Other popes whose bulls are quoted or referred to include Alexander IV, Boniface VIII, Clement VI, John XXII, Urban VI, Martin V, Eugene IV, Nicholas V, Pius II, Paul II, Innocent IV, Alexander VI, and Julius II. The documents quoted or cited are not necessarily arranged in the chronological order of the pontificates of the popes who issued them.