Strang, Ruth May,  1895- <br/><br/>
An introduction to child study / 
Ruth May Strang. 
 - 4th ed. 
 - New York :  Macmillan,  [1959]. 
 - 543 p. :  ill. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child study<br/>Child rearing<br/>Child care