Outlaws
- Holt, James Clarke. Robin Hood, rev. and enl. ed. London: Thames and Hudson, 1989. 223pp.
- Keen, Maurice. The Outlaws of Medieval Legend. Toronto: University of Toronto Press, 1961. 235p. Includes chapters on the story of Hereward, the Romance of Fulk Fitzwarin, the Romance of Eustace the monk, William Wallace and the Scottish outlaws, the tale of Gamelyn, and several chapters on the Robin Hood ballads.
- Knight, Stephen. Robin Hood: A Complete Study of the English Outlaw. Cambridge, MA: Blackwell Publishers, 1994. 308pp.
- Prassel, Frank R. The Great American Outlaw: A Legacy of Fact and Fiction. Norman, OK: University of Oklamhoma Press, 1993. 412pp.