The Essential Ken Wilber
Kenneth E. Wilber
Contact Manifolds in Riemannian Geometry
David E. Blair
An Introduction to the Theory of the Riemann Zeta-Function
S. J. Patterson
The Philosophy of Positive Law: Foundations of Jurisprudence
Joseph Murphy
Analysis II: Differential and Integral Calculus, Fourier Series, ...
Roger Godement
How Animals Talk: And Other Pleasant Studies of Birds and Beasts
William J. Long & Rupert Sheldrake & Marc Bekoff