TY  - BOOK
AU  - Lewis,Virginia
ED  - Ohio Public Health Association.
ED  - Ohio.
TI  - Course of study in hygiene
AV  - RA420 .L45
PY  - 1921///
CY  - Columbus, O.
PB  - The F.J. Heer printing co.
KW  - Health education
KW  - Hygiene
KW  - Outlines, syllabi, etc
N1  - On cover: Prepared by the Ohio public health association.  Pub. by the State department of education
ER  -