Three Contributions to the Theory of Sex
Sigmund Freud
The Four Loves
C. S. Lewis
Philosophy of Pseudoscience: Reconsidering the Demarcation Problem
Massimo Pigliucci & Maarten Boudry
Jungle Warfare
R. I. Channon
Abstract Algebra
David S. Dummit & Richard M. Foote
The Search for Roots: C. G. Jung and the Tradition of Gnosis
Alfred Ribi