Wilkins, Ernest H.;
Petrarca, Valla;
Ficino, Pico;
Pomponazzi, Vives;
Cassirer, Ernst;
Kristeller, Paul Oskar;
Randall, John Herman;
Nachod, Hans;
Trinkhaus, Charles Edward;
Burroughs, Josephine L.;
Forbes, Elizabeth L.;
II, William Henry Hay;
Lenkeith, Nancy