· PDF fileRasail Ikhwan al-Safa (Letters of the Brethr¿n o(Pùrižy) written 358...
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· PDF fileRasail Ikhwan al-Safa (Letters of the Brethr¿n o(Pùrižy) written 358 Death of the geographer al-Muqaddasf c. 390 Firdawsi writes the Shahnama (Book of Kings) é
