Lewis, Evan David <br/><br/>
The Rhondda Valleys :  a study in industrial development, 1800 to the present day. 

 - London :  Phoenix House,  1959. 
 - xiii, 312 p :  illus., ports., maps (1 fold.) diagrs ;  25 cm. 
<br/><br/> "A portion ... originated as an essay on 'The industrial development of the Rhondda Valleys to 1910,' submitted for the degree of Master of Arts of the University of Wales in 1940." 
<br/><br/>Bibliography: p. 287-303 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Rhondda (Wales)--Economic conditions