TY  - BOOK
ED  - Pennsylvania.
TI  - Tentative course of study in health instruction for secondary schools
T2  - Its Bulletin
AV  - L194 .B5 no. 61
PY  - 1931///
CY  - Harrisburg, Pa.
KW  - Health education
KW  - Pennsylvania
N1  - At head of title: Commonwealth of Pennsylvania. Dept. of Public Instruction; "References": p. 161-169
ER  -