A Dictionary of Philosophy of Religion
Charles Taliaferro & Elsa J. Marty
Law, Property Rights, and Air Pollution - Article
Murray Newton Rothbard
Encyclopedia - The quantum mechanics of atoms and molecules
John F Stanton
Merriam-Webster's Advanced Learner's English Dictionary
Merriam-Webster
Scrum Basics
Ken Schwaber
Old Man's War
John Scalzi