Mathematical Discovery on Understanding, Learning and Teaching ...
György Pólya
Language, Memory, and Thought
John Robert Anderson
History of Philosophy
Frederick Charles Copleston
Ockham's Theory of Terms, Part I of the Summa Logicae
Guilelmus de Ockham & William (of Ockham) & William Ockham
What Has Government Done to Our Money?
Murray Newton Rothbard
The Theory and Practice of Change Management
John Hayes