Clark, Colin,  1905- <br/><br/>
The conditions of economic progress, 
by Colin Clark. 
 - London,  Macmillan and co., limited,  1940. 
 - xii, 504 p.  tables (part fold.) diagrs. (1 fold.)  22 cm. 
<br/><br/><label>LCCN: </label>agr41000451  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic history.
<br/><br/><label>LC Class. No.: </label>HC55  / .C55 
<br/><br/><label>Dewey Class. No.: </label>330.904