(Ces) (Nóinden/Noínden) Ulad (ocus Emuin Macha) ((Nine Days’) Affliction/Pangs(/Debility) of Ulstermen (and Emain Macha)):

‘Irish Sagas: Noínden Ulad ocus Emuin Macha background’ at Irish Sagas, 2012-2023.
https://iso.ucc.ie/Noinden-ulad/Noinden-ulad-background.html

British Poetry. ‘Early Irish Sagas ca fourth century – British Poetry’ at Student Writing Center.
https://www.studentwritingcenter.us/british-poetry/early-irish-sagas-ca-fourth-century.html

Ces Ulad (Affliction/Pangs of Ulstermen). Tenth/Twelfth Century AD (possibly as early as Fourth Century AD).
   ‘Die Ursache von Noinden Ulad’ at CELT: The online resource for Irish history, literature and politics, 1997–2021.
      https://celt.ucc.ie/published/G301025/text001.html
   Hull, Vernam, tr. ‘Ces Ulaid: The Affliction of the Ulstermen’ at AKA Mary Jones.
      https://www.maryjones.us/ctexts/ces.html
   Hull, Vernam, tr. ‘The Affliction of the Ulstermen: Ces Ulad’ at Editions de l’Avenance.
      https://sejh.pagesperso-orange.fr/keltia/version-en/cesulad.html

(Ces) Nóinden/Noínden Ulad (ocus Emuin Macha) (Nine Days’ (Debility) of Ulstermen (and Emain Macha)). Tenth/Twelfth Century AD (possibly as early as Fourth Century AD).
   ‘Noínden Ulad • CODECS: Online Database and e-Resources for Celtic Studies’ at CODECS: Online Database and e-Resources for Celtic Studies.
      https://codecs.vanhamel.nl/Noínden_Ulad
   Carmody, Isolde Óbrolcháin, tr, and Vernam Hull, ed. ‘Noínden Ulad – The Story of Macha – Story Archaeology’ at Story Archaeology – Conversations on Irish Mythology, 9 November 2015.
      https://storyarchaeology.com/noinden-ulad-the-story-of-macha/