- A Democracia: Estudo sobre o governo representativo
- American Institutions and Their Influence
- An essay on the American contribution and the democratic idea
- Ariel
- Heart of Man
- In the Fourth Year: Anticipations of a World Peace
- Open Source Democracy: How online communication is changing offline politics
- The Ghost in the White House: Some suggestions as to how a hundred million people (who are supposed in a vague, helpless way to haunt the white house) can make themselves felt with a president, how they can back him up, express themselves to him, be expressed by him, and get what they want
- The Rise of the Democracy
- The Soul of Democracy: The Philosophy of the World War in Relation to Human Liberty
- The Spirit of Lafayette