County business patterns, Puerto Rico 
United States, Department of Commerce, Bureau of the Census 
 - Washington, D. C.  U. S. Government Printing Office  1949- 
 - v.  ill.  26 cm. 
 - 
<br/><br/> Ceased in paper version with 1997 issue. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industries--Periodicals.--Puerto Rico
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Industries.<br/>Puerto Rico--Economic conditions--Periodicals.
<br/><br/><label>Dewey Class. No.: </label>338.9  / U586 BC:c