W. M. · W. Marshall · Wilbur Marshall Urban
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Language and Reality: The Philosophy of Language and the Principles of Symbolism | 978-1-138-87108-3 (1-138-87108-7) | 2015 |
| The Intelligible World: Metaphysics and Value | 978-1-138-87107-6 (1-138-87107-9) | 2015 |
| Valuation: Its Nature and Laws | 978-1-138-88423-6 (1-138-88423-5) | 2015 |