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“Foreword,” The Greening of American Orthodox Judaism: Yavneh in the Nineteen Sixties (Cincinnati: HUC Press, 2011), xi-xviii.
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“Freedom,” Dreams of Freedom-National Museum of American Jewish History Catalog (Philadelphia, 2011), xiii-xix.
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“Afterword” to Mission, Meaning and Money: How the Joint Distribution Committee Became a Fundraising Innovator, by Mark I. Rosen (New York: Cohen Center/iuniverse, 2010)
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“Introduction” to Empowered Judaism, by Elie Kaunfer (Jewish Lights, 2010).
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“Foreword” to Passionate Pioneers: The Story of Yiddish Secular Education in North America, 1910-1960 (Holmes & Meier, 2010).
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“What’s In A Name – A Response to Barry Chiswick,” Contemporary Jewry 29 (2009), 85-90.
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“Saying Kaddish Too Soon? [Response to Norman Lamm]” Forward, June 5, 2009.
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[Introduction to] Manischewitz: The Matzo Family, by Laura Manischewitz Alpern (New York: Ktav, 2008), ix-xiv.[Foreword to] Let Us Prove Strong: The American Jewish Committee, 1945-2006, by Marianne Sanua (Waltham, MA: Brandeis University Press, 2007), ix-xi.
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“Afterword,” My Yeshiva College: 75 Years of Memories, ed. Menachem Butler & Zev Nagel (New York: Yashar Books, 2006),
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Afterword: The Study of American Judaism: A Look Ahead,” The Cambridge Companion to American Judaism, ed. Dana Evan Kaplan, (New York: Cambridge University Press, 2005), 417-421.
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“Foreword,” American Jewry’s Challenge: Conversations Confronting the Twenty-First Century, by Manfred Gerstenfeld (Rowman & Littlefield, 2005)
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[Historical Consultant to:] Challenge and Change: History of the Jews in America Civil War through the Rise of Zionism (New York: Behrman House, 2005).
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[Historical Consultant to:] Challenge and Change: History of the Jews in America Early Settlement Through Central European Migration (New York: Behrman House, 2004).
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“Introduction: The Jews of Rhode Island” (With Ellen Smith). In The Jews of Rhode Island, eds. George M. Goodwin and Ellen Smith (Waltham, MA: Brandeis University Press, 2004), 1-10.
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“Foreword” to A Light in the Prairie: Temple Emanu-El of Dallas 1872-1997, by Gerry Cristol (Fort Worth: Texas Christian University, 1998), ix-xi.
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“Comment,” The Jew Within: Self, Community and Commitment Among the Variety of Moderately Affiliated, by Steven M. Cohen and Arnold Eisen. (Boston:Wilstein Institute, 1996),72-74.
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“Response [to G. Zelizer],” Judaism 44 (Summer 1995), pp.304-309
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"Foreword" to Robert Singerman Judaica Americana (Greenwood Press, (1990).
- "Introduction: The American Rabbinate, A Centennial View," American Jewish Archives 35 (November 1983); reprinted in The American Rabbinate ed. J.R. Marcus and A.J. Peck, (New York, Ktav 1985