A lecture presented on 21 November 2008 in the Rosenwald Gallery of the Van Pelt-Dietrich Library, University of Pennsylvania. Introduction, by Edward M. Peters, University of Pennsylvania; lecture, by Ruth Mazo Karras; question and answer session. Ruth Mazo Karras, Professor of History at the University of Minnesota, is the author of Sexuality in Medieval Europe: Doing Unto Others (2005) and From Boys to Men: Formations of Masculinity in Late Medieval Europe (2003).

A lecture presented on 1 April 2008 in the Rosenwald Gallery of the Van Pelt Library, University of Pennsylvania. Introduction, by Edward M. Peters, University of Pennsylvania; lecture, by Jonathan S.C. Riley-Smith; question and answer session. Jonathan S. C. Riley-Smith has published fifteen books and hundreds of scholarly articles on all aspects of Crusades history. Riley-Smith is Dixie Professor of Ecclesiastical History Emeritus at the University of Cambridge.

A lecture presented on 27 February 2007 in the Rosenwald Gallery of the Van-Pelt Library, University of Pennsylvania. Introduction, by Edward M. Peters, University of Pennsylvania; lecture by Pawel Kras; question and answer session. Pawel Kras is Associate Professor of History in the John Paul II Catholic University of Lublin, Poland.