By Twaddle, Michael, Hansen, Holger Bernt
By Herbst, Jeffrey, Mills, Greg
By Danahar, Paul
By Woods, Donald
By Bernstein, Keith, Strasburg, Tom, Kaunda, Kenneth David
By Cheater, Angela
By Fanon, Frantz, Chevalier, Haakon
By Otite, Onigu
By Bute, E.L., Harmes, H.J.P., Harmer, Harry
By Chazan, Naomi
By Leys, Colin
By Deborah Bryceson
By Murphy, Dervla
By Pinkney, R.
By Harrigan, Jane, Nissanke, Machiko, Aryeetey, Ernest
By Calland, Richard, Dehn, Guy
By Pomerantz, Phyllis R.
By Leo Zeilig
By Loney, Martin
By Krueger, Professor Anne O.
By Andrew Feinstein
By White, J.
By Lamb, Professor David
By Bauval, Robert
By Kambudzi, A.M.
By Colley, Linda
By Christie, Iain
By Urdang, Stephanie
By Charles Hornsby