What Is This Thing Called Knowledge?
Duncan Pritchard
Definiteness
Christopher Lyons
Relativity - The Special and the General Theory [Masterpiece ...
Albert Einstein & Roger Penrose & Robert Geroch & David C. Cassidy
The Development Dictionary: A Guide to Knowledge as Power
Wolfgang Sachs
The Practice of Philosophy: A Handbook for Beginners
Jay F. Rosenberg
Macmillian Encyclopedia of Energy
MacMillan