- The Renaissance at War (Smithsonian History of Warfare) (Smithsonian History of Warfare)
- A Catholic Dictionary; Containing Some Account of the Doctrine, Discipline, Rites, Ceremonies, Councils, and Religious Orders of the Catholic Church
- The Second Punic War: Being Chapters of the History of Rome
- History of Rome: Early History to the Burning of Rome by the Gauls
- Arnold on the education of the deaf; a manual for teachers