(The Original) To be Taken with a Grain of Salt Charles Dickens in ADB Publishing (2010-09-23) Book 1 classics skepticism
Aristotle's Physics: A Guided Study (Masterworks of Discovery) Joe Sachs in Rutgers University Press (1995-03-01) Book 4 classics philosophy
Notes on the State of Virginia Thomas Jefferson in BiblioLife (2011-05-05) Book 1 classics naturalism
The Ethics of Belief & Other Essays (Great Books in Philosophy) William K. Clifford in Prometheus Books (1999-05) Book 1 classics ethics philosophy
The Portable Enlightenment Reader (The Viking Portable Library) Isaac Kramnick in Penguin (Non-Classics) (1995-12-01) Book 2 classics enlightenment
The Presocratic Philosophers: A Critical History with a Selection of Texts G. S. Kirk, J. E. Raven, M. Schofield in Cambridge University Press (1984-02-24) Book 1 classics philosophy
The Principia: Mathematical Principles of Natural Philosophy Isaac Newton in www.snowballpublishing.com (2010-02-01) Book 1 classics law newton physics
