Thomas Aquinas (1225-1274 A.D.)
De Ente et Essentia: Episode I, Episode II, Episode III, Episode IV, Episode V, Episode VI, Episode VII, Episode VIII, Episode IX, Episode X
Summa Theologica, Prima Pars, Quaestio I, Proemium: Episode I, Episode II, Episode III, Episode IV, Episode V, Episode VI, Episode VII, Episode VIII, Episode IX, Episode X, Episode XI
Summa Theologica, Tertia Pars, Quaestio 1, Articulus 2: Episode I, Episode II, Episode III, Episode IV, Episode V, Episode VI, Episode VII, Episode VIII, Episode IX, Episode X