De Decem Chordis, v. 450;
De Natura et Gratia, v. 467;
De Opere Monachorum, i. 445;
De Vera Penitentia, v. 453;
Epistolae, v. 449;
In Psalmos, v. 263, 461, 466, 468;
Sermo 181, v. 473;
and see v. 221, 451.
*Averroes, or Ebn Roschd (12th century), v. 41, 42.
*Avicenna, or Ebn Sina (11th century), v. 41, 42, 289, 290.