She is the author of Jews and Heretics in Catholic Poland: A Beleaguered Church in the Post-Reformation Era (2006). Her articles on Polish Jewish history have appeared in Jewish History, AJS Review, Kwartalnik Żydowski, Sixteenth Century Journal, and Gal-ed. Her research has been supported by the Harry Frank Guggenheim Foundation, the Memorial Foundation for Jewish Culture, the Koret Foundation, YIVO Institute, and the Yad Hanadiv Foundation (Israel), among others. She directs the Early Modern Workshop project.