by Calvin W. Schwabe, M.S.D.V.M., M.P.H., Sc.D., Professor of Epidemiology, School of Veterinary Medicine and School of Medicine, University of California, Davis; Professor of Epidemiology and Research Associate in the Hooper Foundation, School of Medicine, University of California, San Francisco. xx + 713 pages, illustrated. The Williams & Wilkins Company, Baltimore, Maryland 21202. 1969. $28.50
by Professor Dr. med. habil. Siegfried Ortel, Direktor des Instituts für Medizinische Mikrobiologie und Epidemiologie der Martin-Luther Universität Halle, Wittenberg. 185 pages, illustrated. Veb Gustav Fischer Verlag, Jena, Villengang 2, Postschliessfach 176, East Germany. 1968, 18, — M
by Frederick C. Haer, technical administrator, Gelman Instrument Co., Ann Arbor, Michigan. xiv + 173 pages, illustrated, paperbound. Ann Arbor Science Publishers, Inc., Box 1425, Ann Arbor, Michigan 48106. 1969. $15.00
Vol. 9, edited by Geoffrey H. Bourne. x + 290 pages, illustrated. S. Karger Basel (Switzerland), New York. Distributed in U. S. A. by Albert J. Phiebig, P. O. Box 352, White Plains, New York 10602. 1968. $18.00
