Naturaleza. 

 - San Juan, P. R.  Sociedad de Hist. Natural de P.R.  1988- 
 - volumes :  illustrations (some color) ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nature--Puerto Rico--Periodicals<br/>Natural history--Puerto Rico--Periodicals
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Periodicals.