- The Rights Of Man And The Claims Of Brutes
- The Sacred Books Of The Zoroastrians
- Hours of Work and Play
- The Collected Works of Theodore Parker: Discourses of Theology
- The Collected Works of Theodore Parker: Minister of the Twenty-Eighth Congregational Society at Boston, U.S.: Containing His Theological, Polemical, and Critical Writings, Sermons, Speeches, and Addre