“Weighing the Risks of Relocation in the Face of Crises: How German-Speaking Migrants forged Transatlantic Pathways in the 18th Century,” in: James, D. Boyd. Editor, Fleeing Europe, Finding Philadelphia: Integration, Crisis, and the Migration of 1816-17. Yearbook of German-American Studies, Supplemental Issue, Vol. 5, 2019, 5-17.
”German Immigrant Business Biographies,” Immigrants Entrepreneurship: German-American Business Biographies, 1720 to the Present, Volume 1, German Historical Institute, Washington, DC, 2016, http://www.immigrantentrepreneurship.org/.
Editor with Martin A. Coleman, Kristine W. Frost, Johanna Resler, and David Spiech, The Life of Reason: Book One-Book Five. The Works of George Santayana, vol. VII (Cambridge, MA: MIT Press, 2011-2016).
Editor with Herman J. Saatkamp, William Holzberger, Martin Coleman, and Kristine W. Frost, The Letters of George Santayana: Books One-Eight, -1952, The Works of George Santayana, vol. V, general editor Herman J. Saatkamp, (Cambridge, MA: MIT Press, 2001-2008) = award-winning edition.
“Emigration to 18th-century America as a Career Move for Young Men,” presenter, International German Genealogical Partnership Conference, Sacramento, CA, June 2019.
“William Penn (1644-1718) and His Legacy,” presenter, Study of the U.S. Institutes (SUSI) for Scholars on Religious Pluralism and Democracy, Dialogue Institute, Temple University, Philadelphia, PA, 2017; July 2019.
“Immigration and the Ever Changing Face of American Communities,” presenter and participant, U.S. Embassy Teacher Academy: A Divided Country? Rural America Today, in cooperation with the German American Institute Nuremberg, Germany, 21-24 September 2017, Nuremberg, Germany.
“Women Barred in 18th-Century Politics but with Influence,” (invited keynote) Women and U. S. Politics: Historical and Contemporary Perspectives, a symposium in honor of Hans-Jürgen Grabbe, Leucorea Foundation, Lutherstadt Wittenberg, 25-27 September 2017.