By Hunter, Travis
By Madden, John
By Donald C. Johanson, Kevin O'Farrell
By Saywell, McFarlane, Evelyn, James
By John Feinstein
By Princeton Review
By Beard, Henry
By Schwartz, Joan
By Rowland, Laura Joh
By Rolf Potts
By Lipton, James
By Conner, Daryl R.
By Henry Beard, Mikhail Ivenitsky
By Alexander McNab, John Boswell (University of Southampton)
By henry-beard