- Natural Law in Terrestrial Phenomena: A Study in the Causation of Earthquakes, Volcanic Eruptions, Wind-Storms, Temperature, Rainfall, With a Record of Evidence
- The British Invasion from the North. the Campaigns of Generals Carleton and Burgoyne, from Canada, 1776-1777, with the Journal of Lieut. William Digby, of the 53d, or Shropshire Regiment of Foot
- The Government of India and H.H. the Maharaja of Kashmir: A Letter to the Rt. Ho
- Indian Problems for English Consideration, a Letter
- The Famine Campaign in Southern India, Madras and Bombay Presidencies and Province of Mysore, 1876-1878 by William Digby; Volume 1