THIS BIBLIOGRAPHY IS A COMPILATION OF DISSERTATIONS WRITTEN SINCE 1900, MOST OF THEM IN UNIVERSITIES IN THE UNITED STATES. THEY ARE LISTED BY AUTHOR AND TITLE UNDER 21 HEADINGS COVERING THE FIELDS OF THE NATURAL SCIENCES, THE SOCIAL AND BEHAVIORIAL SCIENCES, EDUCATION, THE ARTS AND THE HUMANITIES, AND RELIGION. ABOUT ONE-THIRD HAVE BEEN WRITTEN IN THE FIELD OF EDUCATION, FOR THE MOST PART BY PUERTO RICANS. (NH)