Geoffrey of Monmouth. Historia Regum Brittaniae (MS., wr. C12).

Higgins, John. The Mirror for Magistrates (1574).

(perhaps) Lodge, Thomas. 'The Complaint of Elstred'. Pr. with Phyllis: Honoured with Pastoral Sonnets (1593).

Spenser, Edmund. The Faerie Queene (1590). 2.10.

REFERENCE : Jane Lytton Gooch, ed. The Lamentable Tragedy of Locrine: A Critical Edition. New York: Garland, 1981. 1-4.