Hadley, Hazel C. <br/><br/>
Sight saving classes in the public schools,  presenting the Ohio plan. 
Prepared by Hazel C. Hadley, director, Division of special classes, under direction of Vernon M. Riegel, director of education, 1926-1927. 
 - Columbus, O.,  The F.J. Heer printing co.,  1927. 
 - 90 p.  plates.  23 cm. 
<br/><br/><label>LCCN: </label>e  28000031  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Eye--Care and hygiene.<br/>Vision.
<br/><br/><label>LC Class. No.: </label>LB3451  / .O5 1927