Diehl, Harold S. (Harold Sheely), 1891- Elements of healthful living / by Harold S. Diehl and Willard Dalrymple - 4th ed. - New York : McGraw-Hill, 1969 - 337 p. : ill. ; (part col.) 24 cm. Includes bibliographies LCCN: 79-77953 Subjects--Topical Terms: Health