00633cam a22002291 4500 med47000363 DLC 20260227111559.0 750604s1946 nyu 000 0 eng med47000363 (OCoLC)1371856 DLC FM OCoLC DLC RA776 .L347 613 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. Hygiene. Mental health. 38047 38047