The Substance of Faith Allied with Science (6th Ed.) A Catechism for Parents and Teachers

The art of war in the Middle Ages, A.D. 378–1515

Travels in Peru and India While Superintending the Collection of Chinchona Plants and Seeds in South America, and Their Introduction into India

The Lives of the III. Normans, Kings of England: William the First, William the Second, Henrie the First

Experiments on the Absence of Mechanical Connexion between Ether and Matter

Life and Matter: A Criticism of Professor Haeckel's “Riddle of the Universe”