He translated Torfason's History of Vinland and wrote Business Life in Ancient Rome (1880).

Additionally, he translated Schwegler's History of Philosophy and Cicero's De Amicitia, as well as edited selections from other works.

He also translated Sukumar Sen's History of Bengali Literature into Manipuri.

During the years 1771-1775 he translated Johann Lorenz von Mosheim's History of the Church.

Stone suggested translating Priestley's History of the Corruptions of Christianity.

Thirlwall now joined Hare in translating Niebuhr's History of Rome; the first volume appeared in 1828.

He also translated H.G. Wells' "Brief History of the World" into Malayalam.

He translated Pliny's Natural History, with notes, and vols.

Besides this he translated Johann Sleidan's History of the Reformation, and wrote several theological works.

In connection with W. S. Chase he translated Alphonse de Lamartine's "History of the Revolution of 1848."