TY  - BOOK
AU  - Oppen,Lucy
ED  - Child health organization of America.
TI  - Further steps in teaching health ..: Department of the Interior. Bureau of Education, 1920
T2  - [U.S.] Bureau of education. Health education,
AV  - L111 .A67 no. 6
PY  - 1920///
CY  - Washington
PB  - Govt. print. off.
KW  - School hygiene
KW  - United States
KW  - Health education
N1  - Bibliography: p. 20
ER  -