Ackerson, Luton, <br/><br/>
Children's behavior problems; a statistical study based upon 5000 children examined consecutively at the Illinois Institute for juvenile research. 

 - Chicago  The University of Chicago Press  1931-. 
 - v. tables, diagrs. 
<br/><br/> Photostat reproduction. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child development<br/>Exceptional children