Publications

Book
The 'Ayyars: Holy Warfare, Chivalry, and Violence in the Medieval Eastern Islamic World  (Istanbuler Texte und Studien, der Deutschen Morgenländischen Gesellschaft, forthcoming 2005)

Refereed Articles
- "Historical Representations of Ya`qub b. al-Layth al-Saffar: A Reappraisal," Journal
     of the Royal Asiatic Society, Series 3, 12: 3 (Nov. 2002), pp. 247-275.
- "A Numismatic History of the First Saffarid Dynasty" Numismatic Chronicle, Series 7, vol. 162
(2002), pp. 293-314.
-"Toward a Revised Understanding of the `Ayyar Phenomenon," in Iran; Questions et
Connaissances: actes du IVe congrés des études Iraniennes organisé par la Societas
Iranologica Europaea, Paris, 6-10 Septembre 1999. Vol. II: Périodes médiévale et
moderne. Ed. M. Szuppe. Cahiers de Studia Iranica 23 (Paris: Peeters Editions, 2002),
    pp. 231 -  254.
 - "An Historiographical Re-examination of the Appointment and Death of `Ali al-Rida," Der
     Islam, vol. 78, no. 1 (2001), pp. 1-26.

Papers Delivered
-"'Youths' in Medieval Islam and Latin Christendom," International Medieval Congress, Leeds, England, July 12, 2005

-"Privatized Jihad and Public Order in the Pre-Saljuq Period," 29 Deutscher Orientalistentag of

the Deutsche Morgenländische Gesellschaft, Halle, Germany, September 22, 2004.
-"The Mint of Andaraba and Samanid Reign in Khurasan," Conference on The Heritage of the

High Caliphate: Dinars, Dirhams and Coppers of the Late Umayyad and Early 'Abbasid

Periods, 700-950 CE, co-sponsored by Middle East Medievalists and the American

Numismatic Society, New York, June 24-25, 2004.
-"The Opposition to Courtly Culture: The Ahl al-hadith Border Warriors of Syria in the  Early `Abbasid Period," Conference on Courtly Culture

Outside the Court, Ben-Gurion University of the Negev, Israel, December 2003.
-"The Caliphs and the `Ulama': Religious Legitimacy, Leadership, and the Role of Jihad in the

Early `Abbasid Period," MESA 2002 (Annual Conference of the Middle East Studies Association of North America), Washington, D.C., November 24, 2002.

-"The Transformation of the Jihad in the 8^th and 9^th Centuries: The Mutatawwi`a" 212^th meeting of the American Oriental Society,

Houston, Texas, March 2002.
-"Historical Representations of Ya`qub b. al-Layth: A Reappraisal," MESA 2000 (Annual  conference of the

Middle East Studies Association of North America), Orlando, Florida,  November 18, 2000.
-"The Saffarids: Historical Representations of a Ninth-Century Islamic Dynasty," Humanities Center Medieval Studies Seminar,

Harvard University, October 23, 2000.
-"The Image of the `Ayyar in Samak-e `ayyar" Conference on Middle Eastern Popular Culture, Magdalen College,

Oxford University, September 2000
-"The Coin Issues of Ya`qub b. al-Layth: the Historical Use of Medieval Numismatic Evidence,"

 Thirty-Fifth International Congress on Medieval Studies, Kalamazoo, Michigan, May 2000.
-"The Contribution of Early Persian Sources Toward a Revised Understanding of the `Ayyar Phenomenon,"

Fourth Iranian Studies Conference of the Societas Iranologica Europaea, Paris, September 1999.
-"Coin Issues of the First Saffarid Dynasty," The American Numismatic Society, August 12, 1999.
-"Medieval Jewish and Muslim Commentaries on the Biblical Story of Lot" 17^th Annual Medieval Studies Graduate Student Conference,

Yale University, April 1999.
 -"Buwayhid Rule: A Case Study in Family Interrelations," Conference on Women, Families and Children in the Islamic and Jewish Traditions,

University of Denver, 1994.