Most Popular Books
- Fatimid Coins in the Collections of the University Museum, Philadelphia, and the American Numismatic Society
- Rare Islamic Coins: Numismatic Notes and Monographs, No. 118
- Fatimid Coins In The Collections Of The University Museum, Philadelphia, And The American Numismatic Society
- The coinage of the Umayyads of Spain (Hispanic numismatic series, monograph)
- Early Arabic Glass Weights and Stamps