Shakespeare, William. King Lear. Ed. Kenneth Muir. Arden Shakespeare. Second Series. London: Routledge, 1972.
Shakespeare, William. The Parallel King Lear: 1608-1623. Prepared by Michael Warren. Berkeley: University of California Press, 1989.
Shakespeare, William. The Riverside Shakespeare. 2nd ed. Gen. ed. G. Blakemore Evans. Boston: Houghton Mifflin, 1997.
In re-reading King Lear once more, I was working through Lear's speech on the heath when he has encountered Edgar, who is disguised as Poor Tom. And something struck me as odd . . . unusual . . . unfamiliar.