This companion volume to The New Oxford Shakespeare: The Complete Works concentrates on the issues of canon and chronology. This major work in attribution studies presents in full the evidence behind the choices made in The Complete Works about which works Shakespeare wrote, in whole or part. The Authorship Companion is a specialists banquet, a garden of discussion, argument, analysis, interpretation, speculation, information, and theoretical reflection, equal parts majestic survey of the state of authorship and deep dives into technical questions.