By Obasanjo, Olusegun
By Innes, Catherine Lynette, Lindfors, Bernth
By Maja-Pearce, Adewale
By Ousmane, Sembene, Adams, A.
By Peters, Lenrie
By Awoonor, Kofi, Mortty, G.Adali-
By Sembene Ousmane
By Pieterse, Cosmo
By Achebe, Chinua
By Henderson, Gwyneth, Pieterse, Cosmo
By Maingay, Susan, Tribble, Chris
By Hulme-Cross, Benjamin
By Ibrahim, Sonallah, Davies, D.J.
By Ousmane, Sembene
By BBC
By Gerngross, Gunter, Puchta, Herbert
By Rixon, Shelagh
By Hess, Natalie
By Scottish Primary Mathematics Group
By McNicholas, Jim
By Gartside, L., Taylor, Shirley
By Raghallaigh, Denise Ní, Neill, Úna Ní, Fhoghlú, Caitlín Ní
By Berry, Martyn
By Masters, Anthony
By Scott, Forrest S., etc.
By Lynch, Emma