Drayton, Michael. Matilda: The Fair and Chaste Daughter of the Lord Robert Fitzwater (verse narrative, 1594).

Grafton, Richard. A Chronicle at Large (1568).

Holinshed, Raphael. The Chronicles of England, Scotland and Ireland (1577).

(perhaps) Robin Hood and Queen Katherine (ballad, date unknown).

(perhaps) Robin Hood's Chase (ballad, date unknown).

(perhaps) Shakespeare, William. King John (perf. 1596).

(perhaps) Troublesome Reign of John, King of England, Parts 1 and 2, The (perf. 1588).

REFERENCE : John Carney Meagher, ed. The Huntingdon Plays: A Critical Edition of 'The Downfall' and 'The Death of Robert Earl of Huntingdon'. New York: Garland, 1980. 41-66.