Thompson:<<The huns>> oxford university
Laining:<<warriors of the dark ages>>sutton
Maenchen-helfen:<<the World of the huns:studies in their history and culture>> University of Califounia
Donner:<<the early muslim conquests>>Princeton university
Kennedy:<<The propbet ande the age of the calipbates>> Longman
Becker:<<The expansion of the saracens>>the cambridge medieval hisitory,Cambridge university Press