There are 9 titles associated with this person.

Laplace, Pierre Simon and Mary Somerville. Mechanism of the Heavens. London: John Murray II [Albemarle], 1831.
Laplace, Pierre Simon and Mary Somerville. Mechanism of the Heavens. London: John Murray II [Albemarle], 1831.
Somerville, Mary. On the connexion of the physical sciences. London: John Murray II [Albemarle], 1834.
Somerville, Mary. On The Connexion of the Physical Sciences. London: John Murray II [Albemarle], 1846.