Al-Ma'mun
![[[Gold dinar]] of al-Ma'mun, minted in Egypt in 830/1](https://upload.wikimedia.org/wikipedia/commons/7/71/Coin_of_the_Abbasid_Caliph_al-Ma%27mun.jpg)
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Published 1905
Other Authors:
“...al-Suhrawardy, Abdullah al Mamun....”
Book