Clark, Colin <br/><br/>
Conditions of economic progress 
by Colin Clark 
 - 3rd ed. 
 - London  Macmillan  1957 
 - 730p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic Conditions<br/>Economic History
<br/><br/><label>Dewey Class. No.: </label>T0 C547