| Titel | ISBN-13 (ISBN-10) | Erscheinungsjahr |
|---|---|---|
| Church as a Communion: An African Christian Perspective: Theology of the Local Church in the Light of the Second Vatican Council | 978-3-631-49853-8 (3-631-49853-5) | 1996 |
| Faith in an Age of Reason and Science | 978-3-631-50511-3 (3-631-50511-6) | 2003 |
| Mary - Mother of the African Church: A Theological Inculturation of Mariology | 978-3-631-37891-5 (3-631-37891-2) | 2001 |