00991cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035002000092040004700112042001200159050001600171100002100187245016800208260005400376300005300430500010600483650002200589650003700611710003600648710003600684999001700720e  23000307 DLC20260227111215.0831208s1921    ohuahk        000 0 eng c  ae  23000307   a(OCoLC)10202448  aLibrary, U.S. Bur. of EducationcDNIEdDLC  apremarc00aRA420b.L451 aLewis, Virginia.00aCourse of study in hygiene.cPrepared under the direction of Vernon M. Riegel, superintendent of public instruction, Department of education, by Virginia Lewis ...  aColumbus, O.,bThe F.J. Heer printing co.,c1921.  a282 p.billus., tables, facsims., forms.c24 cm.  aOn cover: Prepared by the Ohio public health association.  Pub. by the State department of education. 0aHealth education. 0aHygienexOutlines, syllabi, etc.2 aOhio Public Health Association.1 aOhio.bDepartment of Education.  c20653d20653