Detailed cross-tabulations for Puerto Rico : CPH-L-155 

 - Washington, D.C.  U.S. Dept. of Commerce.  Bureau of the Census  Population Division.  For sale by Supt. of Docs., U.S. G.P.O.  [1994] 
 - 204 p.  forms, maps 
<br/><br/> At head of title : 1990 Census. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Population--Statistics.<br/>United States--Census, 1990.<br/>Puerto Rico--Census, 1990.