Annual report, 19- 

 - San Juan, P.R.  19- 
 - v.  ill., plates. 
<br/><br/><label>LCCN: </label>fel36001794  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motor buses.<br/>Transportation
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico