- James MacKillop. A Dictionary of Celtic Mythology. Oxford: Oxford University Press, 2004.
- Jeffrey Gantz . Early Irish Myths and Sagas. New York: Penguin, 1988.
- Fleming, Deborah. “‘All We Know Comes from You’: W. B. Yeats and Ecocriticism.” Nordic Irish Studies, vol. 18, 2019, pp. 56–76. JSTOR, https://www.jstor.org/stable/27041555.]
- Gomes, Daniel. “Reviving Oisin: Yeats and the Conflicted Appeal of Irish Mythology.” Texas Studies in Literature and Language, vol. 56, no. 4, 2014, pp. 376–99. JSTOR, http://www.jstor.org/stable/43280231.
- Mike Greenberg. "Aengus, the Irish God of Youth." Mythology Source. 12/29/2020. 2/7/2023. <https://mythologysource.com/aengus-irish-god-youth/>.