By Crawford, Anne
By Goldstone, Nancy
By Demurger, Alain
By Sumption, Jonathan
By Thomas Asbridge
By Lockyer, Roger
By Skidmore, Chris
By Michael Jones
By Guy, John
By Clarke, Stephen
By Marco Polo
By Lamb, Jeremy
By Tuchman, Barbara W, May, Nadia
By Susan Higginbotham
By Norton, Elizabeth
By Belliveau, Denis, O'Donnell, Francis
By Weir, Alison