English, James, 1912- Principles of organic chemistry / James English, Harold G. Cassidy [and] Richard L. Baird. - 4th ed. - New York : McGraw-Hill, 1971 - xiii, 558 p. ; 23 cm. Includes bibliographical references. ISBN: 007019520X Subjects--Topical Terms: Chemistry, Organic. Dewey Class. No.: 547 / ENP 1971