Philosophy of Space & Time, Part III
Peter Machamer & John Earman & Merrilee H. Salmon & James G. Lennox & John D. Norton & Clark Glymour & J. E. McGuire & Wesley C. Salmon & Kenneth F . Schaffner
The Great Ideas Today
Mortimer Jerome Adler
Flask by Example
Gareth Dwyer
The Early Mathematical Manuscripts of Leibniz
Gottfried Wilhelm Freiherr von Leibniz
System of Economical Contradictions; Or, the Philosophy of Misery
P. J. Proudhon
Aesop's Fables
Aesop