First published in 1989, Faith and Economic Practice: Protestant Businessmen in Chicago, 1900-1920 ponders the role that religion played in North American society in the 20th Century, exploring the interactions between religious expression and economic order and the role of religion in capitalism.

First published in 1993, Israel and Zion in American Judaism: The Zionist Fulfillment is a collection of 24 essays exploring the concept of who or what is "Israel" following the establishment of the Jewish State in 1948 and the subsequent crisis of self-definition in American Jewry.