Lapham, Roger Fulmer, 1907- It's in your power. - New York, Essential Books, Duell, Sloan and Pearce [1946] - viii p., 1 l., 207 p. 21 cm. At head of title: Roger F. Lapham. LCCN: med47000363 Subjects--Topical Terms: Hygiene.Mental health. LC Class. No.: RA776 / .L347 Dewey Class. No.: 613