Almqvist & Wiksell International · Plus Ultra
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Good Things in Life: A Study of the Traditional Religious Culture of the Yoruba People | 978-91-86668-22-8 (91-86668-22-6) | 1988 |
| The Vital Force: A Study of Ase in the Traditional and Neo-Traditional Culture of the Yoruba People | 978-91-22-01609-0 (91-22-01609-0) | 1995 |