Editing Llywelyn ap Gruffudd (section)

== Sources ==
* {{cite book |author-link=Gwynfor Evans |year=2001 |title=Cymru O Hud |trans-title=Welsh are still here |location=Abergwyngregyn |isbn=0-86243-545-5 |last1=Evans |first1=Gwynfor}} – (English version), {{cite book |author-link=Gwynfor Evans |year=2002 |title=Eternal Wales |location=Abergwyngregyn |isbn=0-86243-608-7 |last1=Evans |first1=Gwynfor |last2=Morgan |first2=Mihangel}}
* {{cite book |title=A History of Wales, from the Earliest Times to the Edwardian Conquest |volume=II |last=Lloyd |first=John Edward |author-link=John Edward Lloyd |year=1911 |url=https://archive.org/details/historyofwalesfr01lloyuoft |publisher=Longmans, Green & Co. |isbn=978-1-334-06136-3 |edition=Reprint Vol. 2 of 2}}
* {{cite book |title=The Welsh Kings: Warriors, Warlords and Princes |url=https://searchworks.stanford.edu/view/4502235 |last=Maund |first=Kari L. |year=2006 |edition=3rd |publisher=Tempus Publishing |isbn=978-0-7524-2973-1}}
* {{cite book |first=T. Jones |last=Pierce |title=Cymdeithas Hanes Sir Caernarfon-Trafodion |trans-title=Caernarfronshire History society talks |year=1962 |location=Abergwyngregyn}}
* {{cite book |last=Smith |first=Beverley J. |title=Llywelyn ap Gruffudd, Prince of Wales |year=2001 |publisher=University of Wales Press |isbn=978-0-7083-1474-6}}
* {{cite book |first=Roger |last=Turvey |title=Twenty-One Welsh Princes |year=2010 |location=Conwy |publisher=Gwasg Carreg Gwalch |isbn=978-1845272692}}
* {{cite book |title=The Governance of Gwynedd |url=https://openlibrary.org/books/OL22379507M/The_governance_of_Gwynedd |last=Stephenson |first=David |year=1984 |publisher=University of Wales Press |isbn=978-0-7083-0850-9 |ol=22379507M}}
* {{cite book |title=Y Traethodydd |trans-title=The Essayist |date=July 1998 |quote=Garth Celyn evidence (Tystiolaeth Garth Celyn) |issn=0969-8930}}