Wheatley, George Milholland,  1909- <br/><br/>
Health observation of school children :  a guide for helping teachers and others to observe and understand the school child in health and illness / 
by George M. Wheatley and Grace T. Hallock. 
 - 3rd ed. 
 - New York :  McGraw-Hill,  1965. 
 - xiv, 527 p.  :  illus. (part col.)  ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School hygiene.<br/>Children--Health and hygiene.