There are 3 titles associated with this firm.

de St. Venant, Catherine-Françoise-Adélaide. Leopold de Circe; or, The Effects of Atheism. By M. de St. Venant, Member of The National Institute. Translated by J. S. Byerley, Esq. London: Clement Chapple [66 Pall Mall], 1807.
Barrell, Miss P. The Test of Virtue, and Other Poems. By the late Miss P. Barrell, Author of Riches and Poverty, a Tale. London: Thomas Boosey, Clement Chapple [66 Pall Mall], 1811.