Encyclopedia of Environmental Ethics and Philosophy
J. Baird Callicott & Robert Frodeman
The New Strong's Complete Dictionary of Bible Words
James Strong
The Objectivist1966-1971 (Volumes 5-10)
Ayn Rand
In Focus Sacred Geometry
Bernice Cockram
Think Bayes
Allen B. Downey
Wisdom of Insecurity
Alan W. Watts