Clark, Colin <br/><br/>
The conditions of economic progress / 
Colin Clark 
 - 3rd. ed. 
 - London :  Macmillan ,  1957 
 - xv, 720 p. :  ill. ;  20 cm.  
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic development<br/>Economic history<br/>Income<br/>Cost and standard of living
<br/><br/><label>Dewey Class. No.: </label>338.89  / CLA