Devereux, Frances, Countess of Essex. K.254.1 Correspondence between Frances, countess of Hartford (afterward duchess of Somerset) and Henrietta Louisa, countess of Pomfret between 1738 and 1741. 2a ed. London. 1806. 3v. Sm. 8°.
- Frermor, Henrietta Louisa, Countess of Pomfret.