AN IGBO CIVILIZATION, Nri Kingdom and Hegemony.
by M. Angulu. Onwuejeogwu
1981
Nri Warriors of Peace.
by Chikodi AƱunobi
2006
Some notable Authors on
NRI
Olaedo Equiano (1789)
G.T. Basden (1902,1921)
A.G.
Leonard (1906)
M.A. Talbot (1926)
Northcote Thomas (1930)
C.D. Forde
and G.I. Jones (1950)
Professor Kenneth
Dike (1956)
F.K. Elechi
(1971)
M.D. Jeffreys
(1972)
A.E. Afigbo (1973), (1981)
Prof. M. A. Onwuejeogwu (1981)
B.I.O Odinanwa (1987, 1993)
D.C. Ohadike (1975)
Cardinal Arinze
Francis (1970)
P.J.O. Nwadirigwe
(1999)
Uche P.
Keanyibe (1997).