Please see Darrell Wolcott: Bartrum's "Pedigrees of the Welsh Tribal Patriarchs" #10 Iarddur ap Cynddelw; http://www.ancientwalesstudies.org/id178.html. (Steven Ferry, September 10, 2019.)

Please see Darrell Wolcott: Bartrum's "Pedigrees of the Welsh Tribal Patriarchs" #11 Llywarch Howlbwrch; http://www.ancientwalesstudies.org/id179.html. (Steven Ferry, September 12, 2019.)

Please see Darrell Wolcott: Bartrum's "Pedigrees of the Welsh Tribal Patriarchs" #12 Braint Hir; http://www.ancientwalesstudies.org/id180.html. (Steven Ferry, September 13, 2019.)

Please see Darrell Wolcott: Bartrum's "Pedigrees of the Welsh Tribal Patriarchs" #13 Helig ap Glannog; http://www.ancientwalesstudies.org/id181.html. (Steven Ferry, September 20, 2019.)

Please see Darrell Wolcott: Bartrum's "Pedigrees of the Welsh Tribal Patriarchs" #14 Mam Tudor Trefor; http://www.ancientwalesstudies.org/id182.html. (Steven Ferry, September 20, 2019.)

Please see Darrell Wolcott: The Royal Family of Gwynedd - In Search of Gwgan Gleddyfrudd; http://www.ancientwalesstudies.org/id26.html. (Steven Ferry, December 22, 2019.)

Please see Darrell Wolcott: The Royal Family of Gwynedd - Pasgen "ap Urien Rheged", Lord of Gower; http://www.ancientwalesstudies.org/id62.html. (Steven Ferry, January 3, 2020.)

Please see Darrell Wolcott: The Royal Family of Gwynedd - Ancient Lordship of Gower; http://www.ancientwalesstudies.org/id162.html.(Steven Ferry, January 18, 2020.)

Please see Darrell Wolcott: Ynyr Gwent and Caradog Freich Fras; http://www.ancientwalesstudies.org/id25.html. (Steven Ferry, February 26, 2020.)

Please see Darrell Wolcott: The Retaking of Northeast Wales in the 10th Century; http://www.ancientwalesstudies.org/id60.html. (Steven Ferry, May 25, 2020.)

Please see Darrell Wolcott: Cadwgan of Nannau; http://www.ancientwalesstudies.org/id66.html. (Steven Ferry, July 16, 2020.)

Please see Darrell Wolcott: The Men of Lleyn - How They Got There; http://www.ancientwalesstudies.org/id118.html. (Steven Ferry, August 17, 2020.)

Please see Darrell Wolcott: Sorting Out the Gwaithfoeds; http://www.ancientwalesstudies.org/id125.html. (Steven Ferry, September 5, 2020.)

Please see Dr. J White-Phillips and Darrell Wolcott: Elidyr Contests Rhun ap Maelgwn - the Unanswered Questions; http://www.ancientwalesstudies.org/id277.html. (Steven Ferry, June 29, 2021.)