Hoffman, Carol Stein, The Barrymores: Hollywood's First Family, University Press of Kentucky, 2001.

John Barrymore was only slightly better known in his time than his sister Ethel and brother Lionel. Each generation of the family seems as much cursed as blessed. Hoffman worked closely with John Drew Barrymore (the son of John and father of Drew Barrymore) for almost a quarter of a decade in compiling this portrait that spans from Elizabethan England to the Charlie's Angels movie franchise.

Mills, John A., Hamlet on Stage: The Great Tradition, Greenwood Press, 1985.

Mills's analysis includes a fairly thorough retrospective of the ways in which the role of Hamlet has been interpreted over the past four centuries, giving details of how each actor has individualized the role.

Morrison, Michael A., John Barrymore, Shakespearean Actor, Cambridge Studies in American Theatre and Drama series, Vol. 10, Cambridge University Press, 1997.

Morrison reconstructs those...