The author is indebted for many courtesies to the officials of the New York Public Library, likewise to the Congressional Library at Washington, the British Museum at London, and the Bibliothèque Nationale at Paris. His thanks are due also to Dr. C. C. Williamson, formerly Chief of the Economics Division of the New York Public Library, who took a deep and serious interest in the work; to Professor Richard Gottheil of Columbia,viii for many helpful suggestions in connection with the Semitics studies; to Professor Hiram Bingham of Yale, for some helpful notes on the Incas; to Mr. A. S. Freidus, Chief of the Jewish Division of the New York Public Library; to Professor Adolf Deissmann, of the University of Berlin; to Mr. Elbridge T. Gerry, whose library provided a wealth of material; to the late Thomas D. Walsh, Superintendent of the New York S. P. C. C., a humanitarian of the first water; to Mr. Jesse B. Jackson, Mr. W. J. Yerby, Mr. Charles H. Allbrecht, and Mr. E. A. Wakefield, all of the American Consular Service; to Mr. J. William Davis, for supervision of the Bibliography; to Mr. Gabriel Schlesinger, for assistance in reading the proofs; and, above all, to Mr. Robert E. MacAlarney, of Columbia University, to whose sustaining criticism and deep personal interest the author owes more than can be here set down.
George Henry Payne.
Kingsbridge, New York
January, 1916