Census of business  Puerto Rico. 

 - Washington, D. C.  U. S. Government Printing Office, 1949- 
 - v. 
<br/><br/> English and spanish. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Census--Puerto Rico.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Industries.<br/>Puerto Rico