Documents on the constitutional relationship of Puerto Rico and the United States / edited by Marcos Ramirez-Lavandero. 

 - 3rd ed. 
 - Washington, D.C.  Puerto Rico Federal Affairs Administration  1964, c1988. 
 - ix, 624, [l6] p.  23 cm. 
<br/><br/>Bibliography: p. [625-640] 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Constitutional history--Sources.<br/>Puerto Rico--Historia constitucional--Fuentes.