2016 - 2021 "African Potential" and overcoming the difficulties of modern world: Comprehensive area studies that will provide a new perspective for the future of humanity
Itaru Ohta. Bridewealth negotiations among the Turkana in northwestern Kenya (DVD Documentary work). African study monographs. Supplementary issue. 2007. 37. 1-1
Itaru Ohta. English-Turkana texts of a case of bridewealth negotiations in northwestern Kenya. African study monographs. Supplementary issue. 2007. 37. 29-152
Itaru Ohta. Marriage and bridewealth negotiations among the Turkana in northwestern Kenya. African study monographs. Supplementary issue. 2007. 37. 3-26
OHTA Itaru. Preface. In (S. Moyo & Y. Mine, eds.) What Colonialism Ignored: ‘African Potentials’ for Resolving Conflicts in Southern Africa, pp. xvii-xxi. Bamenda: Langaa RPCIG. 2014. xvii-xxi
OHTA Itaru. Human Ability to Build Spontaneous Social Relationship. (Comments): An International Symposium on “Constructing ‘Ordinary Life’: Lessons from Peace Building Practices in Africa" National Museum of Ethnology, Japan. 2011
History and Present Situation of African Studies in Japan: Uniqueness and Challenges
(IAS-HUFS, IAS - University of Bayreuth Joint Conference, "The Different and the Similar: African in an Ever-changing, Multi-faceted and Multi-layered World" 2018)