Annales Cambriæ (Annals of Wales). Ninth/Tenth Century AD (AD 950/960/970/980):

‘Annales Cambriæ: The Annals of Wales (Harleian 3859)’ at Mary Jones, 2005.
http://www.maryjones.us/ctexts/annales.html

ab Ithel, John Williams, ed. Annales Cambriæ. London: Longman, Green, Longman, and Roberts, 1860.
https://ia800302.us.archive.org/30/items/annalescambri20will/annalescambri20will.pdf

‘Annales Cambrię version A’ at Keith Fitzpatrick-Matthews.
http://www.kmatthews.org.uk/history/annales_cambrie/ac_a.html

‘Annales Cambrię B: AD 501 to 900’ at Keith Fitzpatrick-Matthews.
http://www.kmatthews.org.uk/history/annales_cambrie/ac_b_2.html