Piaget's Theory of Intellectual Development
Herbert Ginsburg & Sylvia Opper
The Oxford Handbook of Comparative Politics
Carles Boix & Susan Carol Stokes
Encyclopedia of Entomology
John L. Capinera
Is linguistics a natural science?
Jan Koster
Macmillan Dictionary of Psychology
Stuart Sutherland
Message to the People: The Course of African Philosophy
Marcus Garvey