History of the Wars, Books I and II / The Persian War

A Letter to a Hindu

The Philosophy of the Moral Feelings

The Book of Religions / Comprising the Views, Creeds, Sentiments, or Opinions, of All the Principal Religious Sects in the World, Particularly of All Christian Denominations in Europe and America, to Which are Added Church and Missionary Statistics, Toget

Ten Great Religions / An Essay in Comparative Theology

A Short History of Greek Philosophy