Principles of Philosophy

Fundamental Philosophy, Vol. 1 (of 2)

Jaime Luciano Balmes

Lectures on the true, the beautiful and the good

Victor Cousin

Filosofía Fundamental, Tomo IV

Jaime Luciano Balmes

Betrachtungen über die Grundlagen der Philosophie

René Descartes

Filosofía Fundamental, Tomo III

Jaime Luciano Balmes

A Dissertation on Horses
Wherein It is Demonstrated, by Matters of Fact, as Well as from the Principles of Philosophy, That Innate Qualities Do Not Exist, and That the Excellence of This Animal is Altogether Mechanical and Not in the Blood

William Osmer

Selections from the Principles of Philosophy

René Descartes