Which of the following is not the work of Jane Austen?

Jane Austen’s novels are:
- Sense and Sensibility (1811),
- Pride and Prejudice (1813),
- Mansfield Park (1814) and
- Emma (1816),
- 'Northanger Abbey' and ‘Persuasion’ both published posthumously in 1818.

On the other hand, ‘The essays of Elia’ is written by Charles Lamb.

Source- An ABC of english Literature, Dr. M Mofizur Rahman