Isiokwu Ya na Ya Yiri w93 10/1 p. 15-20 “Gwupụta Ala Obi M, Chineke” Jehova Maara Anyị Nke Ọma! Ụlọ Nche Ikwupụta Alaeze Jehova—1990 Chineke Ọ̀ Maara Gị N’ezie? Ụlọ Nche Ikwupụta Alaeze Jehova—1993 Nweta Obi nke Dị Ka Jehova Si Chọọ Ụlọ Nche Ikwupụta Alaeze Jehova—2001 Chebe Obi Gị Ụlọ Nche Ikwupụta Alaeze Jehova—2001 ‘E Mere Anyị Ka Anyị Bụrụ Oké Ọrụ’ Ụlọ Nche Ikwupụta Alaeze Jehova—2007 Jehova Ji Gị Kpọrọ Ihe Ụlọ Nche Nke Na-ekwusa Alaeze Jehova (Nke A Na-amụ Amụ)—2021 “Oge Ịhụ Mmadụ n’Anya na Oge Ịkpọ Mmadụ Asị Ụlọ Nche Ikwupụta Alaeze Jehova—2011