Fernald, H.T. Applied entomology : an introductory textbook of insects in their relations to man / H.T. Fernald and Harold H. Shepard. - Fourth edition. - New York : McGrawHill Book Company, 1942. - ix, 400 pages ; 23 centimeter. Includes index. Subjects--Topical Terms: Entomology. Dewey Class. No.: FOR 632.7 F39a 1942