Lewin - Principles of Topological Psychology - paperback or softback - - X555z

Abraham - Principles of Talmudic Logic - New paperback or softback - X555z

Bradley - Principles Of Logic Volume 1 - New paperback or softback - - X555z

Spencer - Principles Of Ethics Vol II - paperback or softback - X555z

Bradley - Principles of Logic - New paperback or softback - 45 - X555z

Johnston - RECIPROCAL LOGIC II - New paperback or softback - X555z

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

Wadley III - Ethics Principles and Logic - New paperback or softback - X555z