00887cam a22002531 4500 e 32000549 DLC 20260227111222.0 870417s1931 pau s000 0 eng c e 32000549 (OCoLC)15546889 Library, U.S. Office of Education PClS DLC premarc L194 .B5 no. 61 Pennsylvania. Department of Public Instruction. Tentative course of study in health instruction for secondary schools. Harrisburg, Pa., 1931. 169 p. 23 cm. Its Bulletin 61 At head of title: Commonwealth of Pennsylvania. Dept. of Public Instruction. "References": p. 161-169. Health education Pennsylvania. Bulletin (Pennsylvania. Department of Public Instruction) ; no. 61, 1931. 21250 21250