Folcroft Library Editions · Nabu Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Henri Bergson: A Study in Radical Evolution | 978-1-144-93916-6 (1-144-93916-X) | 2010 |
| Immanuel Kant, 1724-1924 | 978-0-8414-9569-2 (0-8414-9569-6) | 1978 |
| The Problem of Religion | 978-1-143-22079-1 (1-143-22079-X) | 2010 |