In the selection of material, the Editors have sought to make the scope of the work commensurate with the breadth of the field, and to allot to each subject space proportioned to its interest; not only the political relations, but the social and religious, economic and commercial conditions of the Philippines have received due attention and care. All classes of writers are here represented—early navigators, officials civil and military, ecclesiastical dignitaries, and priests belonging to the various religious orders who conducted the missions among the Filipino peoples. To the letters, reports, and narratives furnished by these men are added numerous royal decrees, papal bulls and briefs, and other valuable documents. Most of this material is now for the first time made accessible to English-speaking readers; and the great libraries and archives of Spain, Italy, France, England, Mexico, and the United States have generously contributed to furnish it.
In the presentation of these documents, the Editors assume an entirely impartial attitude, free from any personal bias, whether political or sectarian. They aim to secure historical accuracy, especially in that aspect which requires the sympathetic interpretation of each author's thought and intention; and to depict faithfully the various aspects of the life of the Filipinos, their relations with other peoples (especially those of Europe), and the gradual ascent of many tribes from barbarism. They invite the reader's especial attention to the Introduction furnished for this series by Professor Edward Gaylord Bourne, of Yale University—valuable alike for its breadth of view and for its scholarly thoroughness. The Bibliographical Data at the end of each volume will sup-
