- Public Instruction in Sardinia: An Account of the System of Education, and of the Institutions of Science and Art, in the Kingdom of Sardinia
- A Discourse On The Life, Character And Policy Of Count Cavour Delivered, February 20, 1862 (1862)
- A History of Philosophy: From Thales to the Present Time; Volume 1
- Dante as Philosopher, Patriot, and Poet: With an Analysis of the Divina Commedia, Its Plot and Episodes
- Introduction to the Study of Dante: Being a New Ed. of Dante as Philosopher, Patriot and Poet