ORGANIZED RESEARCH / 69 GRADUATE PROGRAM.-With the cooperation of participating departments and colleges, the Urban Studies Bureau offers an Urban Studies Certificate in conjunction with master's and doctoral degrees. Requirements for the Urban Studies Certificate are: (a) Admission to the Graduate School and a department as a candidate for a graduate degree; (b) completion of the departmental degree requirements; (c) completion of the departmental requirements to become an urban specialist in the chosen field of study; (d) at least 24 credits of course work outside the major department in courses principally concerned with the major social, political, economic and technological aspects of contemporary urban growth and planning, including US 600, US 601, and one interdisciplinary field or research workshop in Urban Studies; (e) a master's thesis or doctoral dis- sertation on an urban topic when a thesis or dissertation is presented in partial fulfillment of the degree requirements; (f) field work or internship in an urban setting is optional but strongly recommended when available in the department or the Urban Studies Bureau. RESEARCH.-The Bureau supports or participates in a number of inter- disciplinary research programs which, in addition to their primary objectives, provide opportunities for training and financial support of graduate students. LIBRARY RESOURCEs.-The Bureau has cooperated with the Graduate Research Library in the acquisition of works related to urban studies; the collection consists of approximately 10,000 volumes and serials. Inquiries about the various programs and activities of the Bureau should be addressed to the Director, Urban Studies Bureau, Room 125, Building E, University of Florida, Gainesville 32601. ADDITIONAL UNIVERSITY OF FLORIDA CENTERS The following centers have also been organized to facilitate research of an interdisciplinary nature. Further information may be obtained by writing to the director of the center, in care of the University of Florida, Gainesville 32601. AFRICAN LANGUAGE AND AREA CENTER (Director, Dr. I. R. Wershow) CENTER FOR APPLIED THERMODYNAMICS AND CORROSION (Director, Dr. F. N. Rhines) CENTER FOR DYNAMIC PLASTICITY (Director, Dr. L. E. Melvern) CENTER FOR HUMAN PROSTHESIS (Director, Dr. W. W. Dawson) CENTER FOR HUMANISTIC EDUCATION (Director, Dr. I. J. Gordon) CENTER FOR LATIN AMERICAN STUDIES (Director, Dr. W. E. Carter) CENTER FOR MACROMOLECULAR SCIENCES (Director, Dr. G. B. Butler) CENTER FOR MATHEMATICAL SYSTEM THEORY (Director, Dr. R. E. Kalman) CENTER FOR NEUROBIOLOGICAL SCIENCES (Director, Dr. F. A. King) CLINICAL RESEARCH CENTER (Director, Dr. W. W. Oppelt) EARTH SCIENCE IN-SERVICE INSTITUTE (Director, Dr. C. Rappenecker)