The Arthurian Tradition
John Matthews
Critical thinking, Logic and Problem Solving - 4 in 1
Zamzar
Descartes' System of Natural Philosophy
Stephen Gaukroger
Funk & Wagnalls New Encyclopedia
Leon L. Bram & Robert S. Phillips & Norma H. Dickey
The Liberal Media Industrial Complex
Mark Dice
Logical Structures for Representation of Knowledge and Uncertainty
Ellen Hisdal