Prinsdom van Wallis: Verskil tussen weergawes

* {{cite book |author=Lloyd, J.E|title=A History of Wales; From the Norman Invasion to the Edwardian Conquest|publisher= Barnes & Noble Publishing, Inc.|location=New York |year=2004 |isbn=0-7607-5241-9 }}

* {{cite book |author=Stephenson, David|title=The governance of Gwynedd|publisher= University of Wales Press|location= |year=1984 |isbn=0-7083-0850-3 }}

 

{{Saadjie}}