- Ruffo, Giordano2
- Rufinus, of Aquileia, 345-4102
- Villani, Giovanni, d. 13482
- Albertano, da Brescia, 13th cent1
- Albertus, Magnus, Saint, 1193?-12801
- Angelus, Johannes, 1463-15121
- Avicenna, 980-10371
- Bartholomaeus, de Chaimis1
- Benedict, Saint, Abbot of Monte Cassino1
- Bernard Silvestris, fl. 11361
- Bianchi, Giacomo1
- Boccaccio, Giovanni, 1313-13751
- Boendale, Jan van, 1279-13651
- Boethius1
- Boethius, d. 5241
- Boniface VIII, Pope, d. 13031
- Bonizo, of Sutri, ca. 1045-ca. 10951
- Brundelsheim, Conrad de1
- Cassian, John, ca. 360-ca. 4351
- Catholic Church. Liturgy and Ritual. Cistercian Collectar1