Literary Criticism:

Boos, Florence. “Jason’s ‘Wise’ Women: Gender and Morris’s First Romantic Epic.” Writing on the Image: Reading William Morris, edited David Latham. University of Toronto Press, 2007. 41-58. pdf

Boos, Florence. The Pattern of William Morris's 'The Earthly Paradise.' Mellen, 1990.

Faulkner, Peter. Against the Age: An Introduction to William Morris. London: George Allen and Unwin, 1980, pp. 37-46. [see selections below]

Faulkner, Peter. William Morris: The Critical Heritage. London: Routledge and Kegan Paul, 1973, pp. 50-76.

Gibbs, Allegra. "William Morris' Use of Classical Sources in The Life and Death of Jason: A Classicist's Reading." M. Litt., University of Edinburgh, 1992.

Kermode, Helen Sybil. "The Classical Sources of Morris's Life and Death of Jason." Primitiae: Essays in English Literature by Students of the University of Liverpool. Liverpool and London, 1912, 158-82.

Kirchhoff, Frederick. William Morris. Boston: Twayne, 1979, pp. 61-66. 

Mench, Martha D. The Argonautic Tradition in William Morris’ s “The Life and Death of Jason”: A Study in Poetic Eclecticism. Dissertation Abstracts 29 (1968): 1212A Yale Unversity.

Miles, Rosie. "Illustrating Morris: The Work of Jessie King and Maxwell Armfield."JWMS 15.4 (2004): 109-135.

Morris, May. Introduction, The Collected Works of William Morris, vol. 2: The Life and Death of Jason. London: Longmans, 1910, ix-xxviii. 

Oberg, Charlotte. A Pagan Prophet: William Morris. Charlottesville: University of Virginia, 1978, pp. 75-85. [see selections below]

Silver, Carole. The Romance of William Morris. Athens: Ohio University Press, 1982, 50-55.

Tompkins, J. M. William Morris: An Approach to the Poetry. London: Cecil Woolf, 1984, 89-95.

The Major Source:

Appollonius Rhodius, The Argonautica. New York: Macmillan, 1912. Loeb Classical Library.

Morris also consulted Lemprière's Classical Dictionary [here], Pindar's Odes [here] and Eudipides's Medea [here]. He may also have drawn on the Odyssey [here], Ovid's Heroides [here], Diodorus's History [here], and the Argonautica of Apollodorus [here].