Mrs Shakespeare received love it/hate it reviews, since the content is coarsely explicit and the style meant to be in the uneducated voice of Anne Hathaway, but scholarly Shakespeare in-jokes abound. Duffy and Nye both write in similar vein about the 2nd best bed & the Shakespeares' marriage.
Personally I think Duffy's riposte to the idiot Lutterworth exam invigilator, Schofield, whose complaint to the exam board, got the marvellous Education For Leisure removed from the syllabus, is brilliant:
Mrs Schofield's GCSE
You must prepare your bosom for his knife,
said Portia to Antonio in which
of Shakespeare's Comedies? Who killed his wife,
insane with jealousy? And which Scots witch
knew Something wicked this way comes? Who said
Is this a dagger which I see? Which Tragedy?
Whose blade was drawn which led to Tybalt's death?
To whom did dying Caesar say Et tu? And why?
Something is rotten in the state of Denmark - do you
know what this means? Explain how poetry
pursues the human like the smitten moon
above the weeping, laughing earth; how we
make prayers of it. Nothing will come of nothing:
speak again. Said by which King? You may begin.
Having singularly failed to get the entire point about the poem she complained about (thank god, thousands of more intellligent GCSE students did), do you know what Mrs Schofield's response to this was? "It's a bit weird"