Which one is not a literary work of William Shakespeare?

The greatest English dramatist, William Shakespeare is often called the ‘Bard of Avon’.
He wrote 37 plays and 154 sonnets.
His famous Tragedies are:
- Hamlet,
- Macbeth,
- Othello,
- King Lear,
- Julius Caesar,
- Romeo and Juliet,
- Antony and Cleopatra,
- Titus Andronicus,
- Timon of Athens. etc.
First Folio, first published edition (1623) of the collected works of William Shakespeare.

Source: Britannica.com

Caesar and Cleopatra is a tragedy written by G. B Shaw.