4 junio, 2018
Catálogo online del fondo de manuscritos medievales y renacentistas de un notable número de bibliotecas estadounidenses: California State Library, Columbia University, Harvard University, the Huntington Library and Museum, Jewish Theological Seminary, Johns Hopkins University, New York Public Library, San Francisco State University, the University of California at Berkeley and at Davis, the University of Missouri at Columbia, University of Texas at Austin, Free Library of Philadelphia, Fordham University, Oberlin College, Rutgers University and the universities of Kansas, Notre Dame, y Pennsylvania.