Anne Ruck. This Child Must Die, Cleopas Lumbantobing, Challenger of Demons, Evangelist, Educator and Peacemaker. Overseas Missionary Fellowship, Singapore, 1991
Anne Ruck. This Child Must Die, Cleopas Lumbantobing, Challenger of Demons, Evangelist, Educator and Peacemaker. Overseas Missionary Fellowship, Singapore, 1991