The Organon, or Logical Treatises, of Aristotle, Vol. 1 of 2 (Classic Reprint)

The Organon, or Logical Treatises, of Aristotle, Vol. 2 of 2 (Classic Reprint)

The Principles of Logic, Vol. 2 (Classic Reprint)

The Science of Logic, Vol. 2 of 2 (Classic Reprint)

The Science of Logic, Vol. 1 of 2 (Classic Reprint)

Logic or the Morphology of Knowledge, Vol. 2 of 2 (Classic Reprint)

Lectures on Logic, Vol. 2 (Classic Reprint)