- Clarke, Gillian.. The Sundial. Michigan: Gomer Press, 1978.
- Clarke, Gillian.. Letter From a Far Country. Manchester: Carcanet Press, 1982.
- Clarke, Gillian.. Letting in the Rumour. Manchester: Carcanet Press, 1989.
- Clarke, Gillian.. The King of Britain's Daughter. Manchester: Carcanet Press, 1993.
- Nadia Kingsley. "DIVERSIFLY podcast #7: Gillian Clarke." The DIVERSIFLY project.. 2 March 2018. Accessed 10 October 2024. <https://fairacrepress.co.uk/diversifly-podcast-7-gillian-clarke/>.
- Sarah-Jane Bentley. "The Voice of Wales: Gillian Clarke and the Anglo-Welsh Poetic Tradition." The English Association. 2020. Accessed 10 October 2024. <https://www.google.com/search?q=The+Voice+of+Wales%3A+Gillian+Clarke+and+the+Anglo-Welsh+Poetic+Tradition&oq=The+Voice+of+Wales%3A+Gillian+Clarke+and+the+Anglo-Welsh+Poetic+Tradition&aqs=chrome..69i57j69i59j69i64j69i60.1726j0j4&sourceid=chrome&ie=UTF-8>.
- "Gillian Clarke." British Literary Council. Accessed 10 October 2024. <https://literature.britishcouncil.org/writer/gillian-clarke#:~:text=Gillian%20Clarke%20has%20published%20several,been%20Poetry%20Book%20Society%20Recommendations.>.
- "Gillian Clarke." Poetry Archive. Accessed 10 October 2024. <https://poetryarchive.org/poet/gillian-clarke/>.
- Radiation Emergency Medical Management. "Nuclear Detonation: Weapons, Improvised Nuclear Devices." US Department of Health and Human Services. Accessed 15 October 2024. <https://remm.hhs.gov/nuclearexplosion.htm>.
- Nathan Hassall. "An Interview With Gillian Clarke." The Luxembourg Review. 5 November 2015. Accessed 17 October 2024. <https://theluxembourgreview.org/2015/11/25/an-interview-with-gillian-clarke/>.
- "Gillian Clarke - St David Awards 2023." Welsh Government / Llywodraeth Cymru. 24 April 2023. Accessed 18 October 2024. <https://www.youtube.com/watch?v=0RA9iLTmPeY>.