▁which ▁makes ▁is ▁why ▁his ▁work ▁became ▁a ▁strong ▁basis ▁to ▁the ▁history ▁of ▁system atic ▁in ▁Egypt ▁and ▁the ▁Arab ▁world ▁as ▁a ▁whole . ▁ ▁Foot notes ▁ ▁Liter ature ▁ ▁Mas r ▁Al ▁M og ah ida ▁F i ▁Al ▁As r ▁Al ▁Had ith ▁- ▁Dar ▁AL ▁Hil al ▁- ▁ 1 9 8 9 ▁ ▁External ▁links ▁▁ ▁Profile ▁on ▁s cc . gov . eg . ▁ ▁https :// web . archive . org / web / 2 0 1 1 0 7 2 2 1 1 4 3 3 6 / http :// arts . el doc . ub . rug . nl / FILES / public ations / general / H istor ical / 2 0 0 2 / de ba ets _ c ensor / egy pt . pdf ▁ ▁https :// web . archive . org / web / 2 0 1 3 1 1 0 4 2 3 3 4 1 8 / http :// mo heet . com / show _ news . aspx ? n id = 6 1 8 5 8 ▁ ▁Category : 1 8 8 9 ▁birth s ▁Category : 1 9 6 6 ▁death s ▁Category : E gypt ian ▁histor ians ▁Category : H istor ians ▁of ▁Africa ▁Category : 2 0 th - century ▁histor ians <0x0A> </s> ▁The ▁ 1 9 7 5 ▁American ▁League ▁Championship ▁Series ▁p itted ▁the ▁Boston ▁Red ▁So x ▁against ▁the ▁three - time ▁def ending ▁world ▁champion