Rev. J.M. de Mendia, S.J., and the late Rev. José María Vélez, S.J.,
Madrid; Rev. T. M. Obeso, S.J., Bilbao; Rev. José Algué, S.J., Director
of Observatory, Manila, Luzon; Fray Tirso Lopez, O.S.A., and Fray
Antonio Blanco, O.S.A., Colegio de Agustinos, Valladolid; Sr. Antonio
Rodriguez Villa, Biblioteca de la Real Académia de la Historia,
Madrid; Sr. Roman Murillo y Ollo, Librarian, Real Académia Española,
Madrid; and officials of Biblioteca Nacional, Madrid; Sr. Gabriel
Pereira, Director of Bibliotheca Nacional, Lisbon; Sr. P.A. d'Azevedo,
Director of Archivo Nacional (Torre do Tombo), Lisbon; Sr. José Duarte
Ramalho Ortigão (director) and Sr. Jordão A. de Freitas (official),
Bibliotheca Real da Ajuda, Lisbon; officials of Academia Real das
Sciencias, Lisbon; and officials of U.S. Legations, Lisbon and Madrid.

_Emma Helen Blair_
_James Alexander Robertson_



Historical Introduction

_by Edward Gaylord Bourne_

The American people are confronted with two race problems, one within
their own confines and long familiar but still baffling solution;
the other, new, remote, unknown, and even more imperatively demanding
intelligent and unremitting effort for its mastery.

In the first case there are some eight millions of people
ultimately derived from various savage tribes in Africa but long
since acclimatized, disciplined to labor, raised to civilized life,