Reprint of the 1893 first edition published in Rome by the Auspice Il Ministero Della Pubblica Istruzione (Besterman 317). A standard work and extremely scarce study on the explorations of Columbus, dealing principally with the bibliographical history of the publications on Colombus and his voyages, as well as the Italian contribution to the discovery of the New World. In all, 1400 publications are described.