A: Philadelphia, Pennsylvania, United States
On March 18, 19, and 21, 2013 Paul Needham, Curator of the Scheide Collection at the Princeton University Library, delivered the three Rosenbach lectures at the University of Pennysylvania. The respective titles of the series "The First Quarter Century of European Printing" were Lecture 1: "The 1450s: Bookmaking Inventions." Lecture 2: "The 1460s: Slow Diaspora." Lecture 3: "1470-1475: The Sowing of Printing Shops."
In July 2019 audio files with images were available from the University of Pennyslvania libraries at this link.