- Early North African Christianity: Turning points in the Development of the Church2022 | Catholic Theological Faculty
- Christianity in Africa: the Three Phases of Christianization and the Specifics of African Theology and Spirituality2022 | Catholic Theological Faculty
- The Religion of the African Himba and Herero Ethnic Groups: the Supreme God Mukuru and his Violent Transformation into the Trinity2022 | Catholic Theological Faculty
- The Syncretism of the Gabonese Bwiti Religion and Catholic Christianity from a Theological and Theological-Ethical Perspective2022 | Catholic Theological Faculty