Philosophical Treatise on the Passions

An Ethical Treatise on the Passions, Founded on the Principles Investigated in the Philosophical Treatise: On conduct conducive to happiness

The layman's letters to William Wilberforce, on the doctrine of hereditary depravity

Theological Disquisitions; Or, An Enquiry Into Those Principles of Religion, which are Most Influential in Directing and Regulating the Passions and Affections of the Mind: I. Disquisitions - On Natural Religion. II. Disquisition - On the Jewish Dispensation, Respecting Religion and Morals

The Rhine: Or, A Journey from Utrecht to Francfort; Chiefly by the Borders of the Rhine, and the Passage Down the River, from Mentz to Bonn, Volume 1

Ethical Questions, Or Speculations on the Principal Subjects of Controversy on Moral Philosophy