Benedictus de SPINOZA : Improvement of the Understanding : Ethics and Correspondence of Benedictus de Spinoza

David HUME : An Enquiry concerning the Principles of Morals

Terence IRWIN : Aristotle’s First Principles

SENECA : Physical Science in the Time of Nero : Being a Translation of the Quaestiones Naturales of Seneca

David HUME : Dialogues concerning Natural Religion

Nicholas D. SMITH and Paul B. WOODRUFF : Reason and Religion in Socratic Philosophy

Rene DESCARTES : The Geometry of Rene Descartes

David HUME : An Enquiry Concerning Human Understanding : And Selections from a Treatise of Human Nature

Dr. W. WINDELBAND and Herbert Ernest CUSHMAN : History of Ancient Philosophy

Martin LUTHER : Martin Luther : Selections from His Writings