- Libro electrónicoPolitics (Barnes & Noble Library of Essential Reading)Aristotle
- Libro electrónicoAn Introduction to the Principles of Morals and Legislation (Barnes & Noble Library of Essential Reading)Jeremy Bentham
- Libro electrónicoThe Second Treatise of Government (Barnes & Noble Library of Essential Reading)John Locke
- Libro electrónicoThe Age of Reason (Barnes & Noble Library of Essential Reading)Thomas Paine