Jaffe, Abram J. <br/><br/>
People, jobs, and economic development  a case history of Puerto Rico, supplemented by recent Mexican experience 
Abram J. Jaffe. Forewarded by Charles D. Glencoe. 
 - Glencoe, Ill.  Free Press  [1959]. 
 - 381 p.  ill., charts, tables. 
<br/><br/> At head of title : A report of the Bureau of Applied Social Research of Columbia University. 
<br/><br/>Bibliography : p. 369-375. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labor--Puerto Rico.<br/>Labor--Mexico.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Economic conditions--1918-