Morán, Roberto E. <br/><br/>
Manual of mental subnormality  its causes, treatment and prevention with questions and answers. 

 - San Juan, Puerto Rico  Editorial U.P.R.  1968. 
 - 482 p.  ill.,plates. 
<br/><br/> Glossary: p. 449-468. 
<br/><br/>Bibliography: p. 469-482. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mentally handicapped<br/>Mental deficiency