Associate Professor Emeritus, University of Connecticut
"For Want of Coin: Some Remarks on the Mongol Tribute and the Problem of the Circulation of Silver," in Dubitando: Studies in History and Culture in Honor of Donald Ostrowski, eds. B.Boeck, RF. Martin, D. Rowland. Bloomington: Slavica, 2012, 856-101
"War and Peace: Rus' and the Mongols in the 13th and 14th Centuries," in Everyday Life in Russian History, Quotidian Studies in Honor of Daniel Kaiser," eds. G. Marker, J. Neuberger, M. Poe, S. Rupp. Bloomington: Slavica, 2010, 187-201.
"Muscovite Taxation and the Problem of Mongol Rule in Rus'," Russian History, 34, nos. 1-4 (2007): 101-29.
Historical Dictionary of Medieval Russia. Lanham, Maryland: Scarecrow Press, 2002
"The Black Death in Russia: Its Effects upon Urban Labor," Russian History, 2, no. 1 (1975): 53-67.