Wells, Stanley & Taylor, Gary
The Oxford Shakespeare, The Complete Works
Oxford University Press 1998
Brown, John Russell
Shakespeare?s Plays in Performance
Applause Books, 1993
Ed. Cubeta, Paul M.
Twentieth Century Interpretations of Richard II
Prentice Hall 1971
Ed. Brooke, Nicholas
Shakespeare. Richard II, A Casebook
Macmillan Press 1973