| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Animal Symbolism in Ecclesiastical Architecture | 978-1-112-54489-7 (1-112-54489-5) | 2009 |
| Evolutional Ethics and Animal Psychology: -1898 | 978-1-112-27142-7 (1-112-27142-2) | 2009 |
| Evolutional Ethics and Animal Psychology: -1898 | 978-1-112-31182-6 (1-112-31182-3) | 2009 |