| Modern Thinkers on Welfare | | |
| Thinkers of the East | | |
| Russian Thinkers | | |
| Russian Thinkers (Pelican books) | | |
| The Worldly Philosophers: The Lives, Times, and | | |
| Russian Thinkers | | |
| Introduction to Political Thinkers | | |
| Great Political Thinkers: From Plato to the | | |
| Key Thinkers of the Radical Right: Behind the New | | |
| Key Thinkers in Christianity | | |
| Victorian Thinkers: Carlyle, Ruskin, Arnold, | | |
| Great Political Thinkers : Machiavelli, Hobbes, | | |
| Robert Grosseteste (Great Medieval Thinkers) | | |
| Bernard of Clairvaux (Great Medieval Thinkers) | | |
| Boethius (Great Medieval Thinkers) | | |
| John Buridan (Great Medieval Thinkers) | | |
| Key Thinkers In Linguistics And The Philosophy Of | | |
| The Philosophers: Introducing Great Western | | |
| Political Thinkers | | |
| Political Thinkers: From Socrate | | |