Beginning with the pioneer work, a 19-page History of Nkporo (1957) by Mr. O.A.Ude of Nde Nko! 16-Page Standing Rules Of The Nkporo Literate Youths Association. The pamphlet, printed at the "National Printing Works, 1 Ogoja Lane, Umuahia," had no date, which I estimated to be from the late 1950s or early 1960s. This was followed by the semi-published, almost 100-page "A Thesis On The Formal and Informal Education in Nkporo - Bende" (1982), by the Etitiama-born U.I. Mba, Dept of Education, Nigeria College of Technology, Zaria. T.T.&S./1961/62 Next was the unnumbered, approximately 7-page True Socialism: The Best For Nkporo (1974) by James Inem iro from Amurie.! 124-page African Godianism: A Revolutionary Religion for Mankind Through Direct Communication with God (1980) by the Ukwa-born Chief KOK Onyioha.! The 18-page "The Constitution Of The People Of Nkporo - a draft, produced and signed by this author on Saturday, July 17, 1982., The Citation by five Ukwa Chiefs (Mba Ejem, Okore Uka, Arunsi Egwu, Rev. Okereke A. Okereke, and A. A. Iro) on the "Installation Of His Holiness, Prophet K. O. K. Onyioha Spiritual Head Of The Godian Religion, Chairman Of The Organisation Of Traditional Religions Of Africa And- Prophet Of Godianism, As The Ahanyi Of Nkporo" (December 31, 1984). Also available was the "Federal Republic of Nigeria. Presentation of Elder Ogbu Arunsi As The Eze Aia-Elect of Nkporo Autonomous Community, Arochukwu/Ohafia Local Government of The Local Government Headquarters Ebem Ohafia On 27' February 1987. Imo State" - pages not numbered. There were also very important documents showing the official/Court claims of the Elughu, and Amurie (Nde Okoroikpo, Nde Mpam) peoples to the Ezeaja Throne. 

The above were followed by an undergraduate degree project titled “The Politics Of Igbo Chieftaincy institution: The Question Of Royalty And Crises In Nkporo Polity (1960-1986)” by Eze Igwe Kalu Reg. No. 84/12023, submitted to the Department of History, University of Calabar, June 1988 (Eze is from Amurie). The 12-page earth-shaking Nkporo Okwe Flash News: God First, Jesus Is The Answer (1992) by an “Anonymous", believed to be the President of the NIFF (Nkporo Intelligent Freedom Fighters), Chief K. K. Ogbaa (now, Pastor Job Ogbaa) from Etitiama! 159-page Pecking the Black Cock (1992) by Mba Onwuka, from Amurie. Then there was the 44-page Nkporo: The Road to Development (A Revolutionary Approach) With Lessons For Developing Communities (1998) by Advocate A.I. Ogbuabia from Etitiama. 110-page Born With A Curse (2001) by the Etitiama-born Dr. Samuel U. Mba. In 2004, we had two important works, the first being Devita Ejem's 66-page Nkporo: Its History And Developmental Milestones (published 2003), from Amurie, And The 107-page Our Heritage: A Reflection Of Nkporo Culture (dated 2002) by HRH Eze U. O. Agbaeze, the Otam I of Amurie. "An Address Presented By The Nkporo Development Union (NDU) On Behalf Of The Nkporo Community To The Chief Of General Staff, Commodore Ebitu Ukiwe, Dodan Barracks, Lagos, On September 28, 1986" signed by nine people, starting with the NDU Chairman, O. E. Mang of Agbaja. Nkporo:  The history of an Igbo City-State from Antiquity to the present (2007), a 539-page book by Prof Obasi Arua Igwe from Etitaima! Nkporo: Our Heritage(Nkporo History), a book written by Chief Onuoha Kalu Igwe from Etitiama! Nkporo, an Igbo race from Israel by Chief Onuoha Kalu Igwe from Etitiama! NKPORO IN AFRICA: NARRATIVES OF THE MOST HOSPITABLE PEOPLE IN WEST AFRICA
Ikechukwu Otuu Egbuta, PhD & High Chief Jackson Ude with Foreword by: Aare Dele Momodu, authors from Etitiama and Amurie Nkporo 2024! There were also all manner of diatribes, newspaper advertisements, public addresses, and so on, that were relevant to the work and, therefore, utilized, including in chronological order.