By Kalu Ogbaa
By Carin Holroyd
By Bronwyn Hayward, Andrew Dobson, Tim Jackson (University of Surrey, UK), ROGER HART
By Marko Koscak, Tony O'Rourke
By Niko Roorda
By Natasha Lindstaedt
By Donald G. Reid (University of Guelph, Canada)
By Erica Burman
By Rose A. Sackeyfio
By Joni Adamson (Arizona State University, USA.), Michael Davis
By Joni Adamson, Kimberly N. Ruffin
By Salma Monani, Joni Adamson
By Christopher L. Richards (City University of New York, USA)
By Stephen Browne
By Martha Chen, Francoise Carre
By Jason Pomeroy
By Ernest Toochi Aniche (Federal University Otuoke, Nigeria), Ikenna Mike Alumona (Chukwuemeka Odumegwu Ojukwu University, Inocent Moyo
By Isaac M. Marks
By Jonathan Keates
By C.D. Cuttler
By Stephen White, Peter Evans, Chris Mihill, Maryon Tysoe
By John Morgan
By Robert H. Bates, V. Y. Mudimbe, Jean F. O'Barr
By Phyllis M. Martin, Patrick O'Meara (Royalty Account)
By Catherine Campbell
By Shane Doyle
By T. Barnett
By R. Paul Shaw, A.Edward Elmendorf
By Dharam P. Ghai, Samir Radwan