Penrose, Lionel S <br/><br/>
Biology Of Mental Defect 

 - London  Sidgwick & Jackson  1947 
 - 285p. 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--Zoology--Medicine & healthDiseases
<br/><br/><label>Dewey Class. No.: </label>616.8  / PEN-B