There are 4 titles associated with this firm.

Thomas, Elizabeth. Miscellany Poems on Several Subjects. London: Thomas Combes, 1722.
Thomas, Elizabeth. Miscellany poems on several subjects. London: Thomas Combes, 1722.
Thomas, Elizabeth. Poems on Several Occasions. By a Lady. London: Thomas Combes, 1726.
Herberts, Mary. The adventures of Proteus, &c. A sett of novels, never before publish'd. Thomas Combes, James Lacy, John Clarke [Royal Exchange], 1727.