Encyclopedia of Ecology
S. E. Jorgensen & Brian Fath
An Introduction to the Mathematical Theory of Inverse Problems
Andreas Kirsch
Insights and Illusions of Philosophy
Jean Piaget
The Works of John Locke in 9 volumes, vol. 3 (1696)
John Locke
Music and Philosophy
Gabriel Marcel & J. Stephen Maddux
Adam Smith
James R. Otteson