Intensional Logic in Extensional Language - Paper
Ronald N. Giere
The Penguin Writer's Manual
Stephen Curtis & Martin Manser
Interest Theory: Financial Mathematics and Deterministic Valuation
Joe Francis
Gurdjieff Chapters (Warrior´s Way)
Robert de Ropp
The Principia: Mathematical Principles of Natural Philosophy
Isaac Newton & I. Bernard Cohen
Faces of the enemy : reflections of the hostile imagination
Sam Keen