Puerto Rico directory of manufactures. 

 - San Juan, P. R.  Economic Development Administration. Office of Economic Research  19- 
 - v. 
<br/><br/> On cover : Directory of manufactures. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manufacturers' agents--Directories.--Puerto Rico
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico