By Mary Pope Osborne, Sal Murdocca
By Hunt, Rod, Brychta, Alex
By Strong, Jeremy
By Cooke, Trish
By Whybrow, Ian, Ross, Tony, Ian Whybrow
By William A. Green (Professor of History, Professor of History, Holy Cross College, Worcester, Massachusetts)
By Michael Walzer
By Jacques Maurais (Conseil de la langue francaise, Quebec), Michael A. Morris (Clemson University, South Carolina)
By Short, Clare
By E. A. Markham
By Sabatino Moscati, A. Hamilton
By Jeffrey Herbst
By Derek Nurse, Thomas Spear
By Pat Caplan
By Earl Conee, Theodore Sider
By Chris Wickham (Professor of Medieval History, University of Oxford.)
By Raymond William Baker
By Paul Collier (, Professor of Economics and Director of the Centre for the Study of African Economies at Oxford University. Former Director of the Development Research group at the World Bank)
By Michael Jonathan Reiss (University of Cambridge), Roger Straughan (University of Reading)
By Phil Roberts
By Ambrose, Stephen E.
By Paul Landau, Deborah Kaspin
By Canfield, Jack, Switzer, Janet
By Philip D. Curtin
By John Darwin
By Tom Griffiths, Libby Robin
By Robin Winks (, Randolph W. Townsend Professor of History, Yale University), Wm.Roger Louis
By Robert Gleave, Eugenia Kermeli
By Lapidus, Ira M.