Lewis, William Arthur. <br/><br/>
Tropical development, 1880-1913 :  studies in economic progress / 
edited by W. Arthur Lewis. 
 - London :  Allen & Unwin,  1970. 
 - 3-346 p. 
<br/><br/> Essays prepared during the year 1967-8 by members of a graduate seminar in the Woodrow Wilson School, Princeton University. 
<br/><br/><label>ISBN: </label>0043301703 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Tropics--Economic conditions.<br/>Developing countries--Economic conditions.