Intelligence Report on Obaku, Obeagu, Ugbo, Abudu and Amaowelli Villages of Awgu Division of Onitsha Province (1934) by P. P. Grey, Assistant District Officer Ajouter au presse-papier
Intelligence Report on Ofemili Group of Awka Division, Onitsha Province (1934) by P. P. Grey, Assistant District Officer Ajouter au presse-papier
Intelligence Report on Ogboli Group of Nsukka Division, Onitsha Province (1933) by W. R. T. Milne, Assistant District Officer Ajouter au presse-papier
Intelligence Report on Ogoja Provincial Intelligence Reports (1927) Abakaliki Division, Ogoja Province, by R. J. H. Sasse, Assistant District Officeri Ajouter au presse-papier
Intelligence Report on Okeodan, Ilaro, Ilobi, Ajilete, Ilashe of Ilaro Division, Abeokuta Province (1935) by J. H. Ellis, Assistant District Officer Ajouter au presse-papier
Intelligence Report on Okpe Clan, Warri Province (1932) by D. F. Stanfield, Cadet Ajouter au presse-papier
Intelligence Report on Okposi Clan, Afikpo Division, Ogoja Province (1933) by H. Waddington, District Officert Ajouter au presse-papier
Intelligence Report on Okpoto and Mtezi Clans of Abakaliki Division, Ogoja Province (1935) by A. E. Cook, District Officer Ajouter au presse-papier
Intelligence Report on Okpuje, Edem and Orobo Villages of Nsukka Division, Onitsha Province (1934) by W. R. T. Milne, Assistant District Officer Ajouter au presse-papier
Intelligence Report on Oniong and Nung Ndem Clans, Eket Division, Calabar Province (1932) by D. A. F. Shute, District Officer Ajouter au presse-papier