Ryan, Victor A. <br/><br/>
The cork oak in the United States 

<br/><br/> Sobretiro de : Smithsnian Report for 1948. pp 355-376, 1949 
<br/><br/><label>LCCN: </label>54190 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Alcornoque.