Editing Gruffudd ap Llywelyn (section)

== Sources ==
* {{cite book |url=https://books.google.com/books?id=5jtC1mWM86AC&pg=PA156 |page=156 |title=Land of My Fathers: 2000 Years of Welsh History |first=Gwynfor |last=Evans |publisher=Y Lolfa |year=1974 |isbn=9780862432652 |ref={{harvid|DWB}}}}
* {{Cite web |url=https://www.bbc.co.uk/wales/history/sites/themes/periods/dark_ages05.shtml |title=BBC Wales - History - Themes - Welsh unity |ref={{harvid|BBC}}}}
* {{cite DNB | wstitle=Gruffydd ab Llewelyn (d.1063) |volume=23 |pages=305–307 |ref={{harvid|Lee|pages=305–307}}}}
* {{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 DWB |id=arc_s-GRUF-APL-1063 |title=GRUFFUDD ap LLYWELYN (died 1063), king of Gwynedd and Powys, and after 1055 king of all Wales |first=Thomas |last=Jones |year=1959}}
* {{cite DWB |id=s12-GRUF-APL-1063 |title=GRUFFUDD AP LLYWELYN (died 1064), king of Gwynedd 1039-1064 and overlord of all the Welsh 1055-1064 |first=Benjamin |last=Hudson |date=1959}}
* {{cite book |first=K. L. |last=Maund |url=https://searchworks.stanford.edu/view/727664 |title=Ireland, Wales, and England in the Eleventh Century |year=1991 |publisher=Boydell & Brewer Ltd |isbn=978-0-85115-533-3}}
* {{cite book |last=Davies |first=John |author-link=John Davies (historian) |title=A History of Wales |publisher=Penguin |year=1993 |location=London |page=100 |isbn=0-14-014581-8}}
* {{Cite web |url=http://www.nationalarchives.gov.uk/utk/wales/welsh.htm |title=The National Archives - Exhibitions - Uniting the Kingdoms? |ref={{harvid|TNA}}}}