Question: What does The Oxfordian theory of Shakespeare authorship and the play The Beard of Avon contend?
Sentence (from "The Beard of Avon"): It is a farcical treatment of the Oxfordian theory of Shakespeare authorship, in which both Shakespeare and his wife become involved, in different ways, with secret playwright Edward de Vere and find themselves helping to present the works of several other secretive authors under Shakespeare's name, including Queen Elizabeth I herself.
Relevant evidence: Yes