00991cam a22002531 4500 e 23000307 DLC 20260227111215.0 831208s1921 ohuahk 000 0 eng c e 23000307 (OCoLC)10202448 Library, U.S. Bur. of Education DNIE DLC premarc RA420 .L45 Lewis, Virginia. Course of study in hygiene. Prepared under the direction of Vernon M. Riegel, superintendent of public instruction, Department of education, by Virginia Lewis ... Columbus, O., The F.J. Heer printing co., 1921. 282 p. illus., tables, facsims., forms. 24 cm. On cover: Prepared by the Ohio public health association. Pub. by the State department of education. Health education. Hygiene Outlines, syllabi, etc. Ohio Public Health Association. Ohio. Department of Education. 20653 20653