Lewis, Oscar, 1914-1970 <br/><br/>
Five families :  mexican case studies in the culture of poverty / 
Oscar Lewis 
 - New York :  Science editions,  1962 
 - 351 p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Familias - México - Caso de estudios <br/>México - Condiciones sociales
<br/><br/><label>Dewey Class. No.: </label>309.172 L673