Benjamin Balint, coauthor of “Jerusalem: City of the Book,” holds an online panel discussion of unusual caretakers of Jewish library collections. Father Columba Stewart of the Hill Museum & Manuscript Library at Saint John’s University will talk about rare early Christian and Islamic manuscripts, and Bedross Der Matossian of the University of Nebraska–Lincoln and president of the Society for Armenian Studies will explore literary treasures of Armenian Jerusalem. 2 p.m. Presented by the Allen and Joan Bildner Center for the Study of Jewish Life at Rutgers. Registration required: BildnerCenter.Rutgers.edu.