Lewis, E.D. <br/><br/>
The Rhondda valleys : a study in industrial development, 1800 to the present day  text 

 - London  Phoenix House  1959 
 - 312p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rhondda Valley (Wales) - Economic conditions
<br/><br/><label>Dewey Class. No.: </label>LEW