- 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
- The Rights Of Man And The Claims Of Brutes
- 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
- The Collected Works of Theodore Parker: Sermons. Prayers
- Collected Works: Containing His Theological, Polemical, and Critical Writings, Sermons, Speeches, and Addresses, and Literary Miscellanies; Volume 6