Schifferes, Justus Julius, Essentials of healthier living / Justus Julius Schifferes. - 2d ed. - New York, Wiley c1963. - xvii, 361 p. illus. (part col.) 25 cm. LCCN: 63011448 Subjects--Topical Terms: Hygiene.Public health. LC Class. No.: RA776 / .S328 1963 Dewey Class. No.: 612/SCE