Publications — The Encyclopedias

The three reference encyclopedias of Islamic coinage by Ali bin Ibrahim Al-Ajlan: Umayyad, the Eastern Islamic World, and Abbasid.

Encyclopedia of Umayyad Dinars and Dirhams

This encyclopedia is a precise and comprehensive reference documenting Umayyad dinars and dirhams minted over a period of 56 years, from 77 AH to 132 AH. It is the result of meticulous research, in which the collector and historian, Ali bin Ibrahim Alajlan, documented over 1,207 numismatics, including the publication of more than 49 dirhams never previously published, offering readers a comprehensive understanding of the significance of coinage in Islamic and human civilization and the methods of minting.

Encyclopedia of Islamic Dinars in the Eastern Islamic World

This two-volume encyclopedia traces the history of every Arab-Islamic dinar minted across the Eastern Islamic world over nearly 790 years, from 132 AH to 922 AH. It is an extensive study documenting more than 8,000 unique dinars — many never previously displayed or published — across 249 documented minting cities.

Encyclopedia of Abbasid Dinars and Dirhams

A definitive Abbasid reference cataloguing 14,865 unique dinars and dirhams minted across 416 cities, linking the rise and stages of the Abbasid Caliphate with the gold and silver coinage it left behind. It offers a historical narrative that connects the events of the caliphate with what was inscribed upon its currency.