أضواءعلى مذبحة بيت المقدس (15-25 يوليو 1099م)‎ من خلال وثائق الجنيزة اليهودية

الملخص EN

The Jewish geniza documents occupy special importance among historical resources of the age of the crusades these documents dive us spotlights on several social and economics sides of that epoch this paper focuses on the bloody massacre of Jerusalem 1099 A.D in which the crusaners killed thousands of moslems thus we can say that the crusades were last of the barbarian invasions