Mansfield, M. F.  1871- <br/><br/>
Castles and Chateaux of Old Navarre and the Basque Provinces  [electronic resource] / 
M. F. Mansfield 
 -  Project Gutenberg,  2013 
 - Project Gutenberg  43609 .
<br/><br/> Public domain in the USA. 
<br/><br/>Electronic text