Basis Foe Bribi
Issues In Missiology, Volume I
Issues In Missiology, Volume II
Issues In Missiology, Volume III, Thoughts About Translation
Issues In Missiology, Volume IV, Worldview and World Religions
Marki Foe Wan Discipel
Owroe Testamenti Commentaar
Owroe Testamenti Commentaar, Vol. II - Geschiedenis (Joza-Ester)
Owroe Testamenti Na Ini Sranantongo Commentaar, Vol IV
The Making of a Missionary