Penrose, L.S. <br/><br/>
Biology of mental defect 
by L.S. Penrose 
 - London  Sidwick and Jackson  1963 
 - 374p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental defect
<br/><br/><label>Dewey Class. No.: </label>Q65 P386