| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Fundamentals of Sociology, With Special Emphasis Upon Community and Educational Problems | 978-1-112-01587-8 (1-112-01587-6) | 2009 |
| Genetic Psychology: An Introduction to an Objective and Genetic View of Intelligence | 978-1-112-40252-4 (1-112-40252-7) | 2009 |
| Imagination and Its Place in Education: -1920 | 978-1-112-25069-9 (1-112-25069-7) | 2009 |