1. Adams, Hazard. Blake and Yeats: The Contrary Vision. New York: Russell & Russell, 1968 [1955].
2. ___ The Book of Yeats’s Poems. Tallahassee: The Florida State University Press, 1990.
3. ___ The Book of Yeats’s Vision: Romantic Modernism and Antithetical Tradition. Ann Arbor: University of Michigan Press, 1995.
4. Aeschylus. Agamemnon, trans. Richmond Lattimore. Vol. 1, The Complete Greek Tragedies, ed. David Grene and Richmond Lattimore. Chicago: University of Chicago Press, 1959.
5. Albright, Daniel. The Myth Against Myth: A Study of Yeats’s Imagination in Old Age. London: Oxford University Press, 1972.