54. Religion of the Idoma by David Onu Salifu, PhD
57. Pedagogical perspectives of Idoma Ogbobitaa or descriptive riddles by I.O.O. Amali, A. Yusuf, A. A. Jekayinfa
59. Profile of the Language Situation: Idoma by Odumuh, Adama Emmanuel
60. Okpa Oje k'Idoma by Joseph Onka Oblete
61. The Idoma inquest by Samson O. O Amali
68. Idoma nationality, 1600-1900 by Erim Odey Erim
69. Idoma Musical Instruments by Roger Blench
70. Idoma bibliography, 1848-1987 by Idris O.O. Amali
75. A West African Inquest by Robert G. Armstrong
79. The Principles of Idoma by Roy Clive Abraham
82. Edwin Ogbu by Yakubu A. Ochefu (editor)
84. A History of the Peoples of Benue State, Vol 1 by Y. Ochefu, A. Varvar and J. Iyo