Johnson, Roberta Ann. <br/><br/>
Puerto Rico, commonwealth or colony? 
Roberta Ann Johnson. 
 - New York, N.Y.  Praeger  1980. 
 - xv, 199 p. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 178-190. 
<br/><br/><label>ISBN: </label>003053576X  18.95 (est.) 0030535816 (pbk.)  8.95 (est.) 
<br/><br/><label>LCCN: </label>80016879  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Politics and government.
<br/><br/><label>LC Class. No.: </label>F1971  / .J63 
<br/><br/><label>Dewey Class. No.: </label>972.95