Isiokwu Ya na Ya Yiri w02 8/1 p. 4-7 Nkwenkwe Ụgha Ọ̀ Na-achịkwa Ndụ Gị? Nkwenkwe Ụgha—n’Ihi Gịnị Ka O Ji Nnọọ Dịgide? Teta!—1999 Nkwenkwe Ụgha Ò Kwekọrọ n’Ozizi Baịbụl? Teta!—2008 Ndụ Nkwenkwe Ụgha Na-achịkwa Ụlọ Nche Ikwupụta Alaeze Jehova—2002 Nkwenkwe Ụgha—Olee Ókè Ọ Gbasaruru Taa? Teta!—1999 Chebe Onwe Gị Ka Ndị Mmụọ Ọjọọ Ghara Inweta Gị Ụlọ Nche Ikwupụta Alaeze Jehova—2009 Olee Otú Eziokwu Ga-esi Eme Ka I Nwere Onwe Gị? Teta!—2012 Nkwenkwe Ụgha—n’Ihi Gịnị Ka O Ji Dị Nnọọ Ize Ndụ? Teta!—1999 Guzogide Ndị Ajọ Mmụọ Ihe Ọmụma nke Na-eduba ná Ndụ Ebighị Ebi À Pụrụ Inwe Ezi Nchebe? Ụlọ Nche Ikwupụta Alaeze Jehova—1993