Edited by Charles Wendte for the American Unitarian Association 1910 centennial of Theodore Parker's birth (10 August 1810), includes The Life of Saint Bernard of Clairvaux, Cudworth's Intellectual System, A Letter to the Boston Association of Congregational Ministers Touching Certain Matters of Their Theology, A Friendly Letter to the Executive Committee of the American Unitarian Association Touching Their New Unitarian Views, The Law of God and the Statutes of Man, The Consequences of an Immoral Principle and False Idea of Life, The Two Christmas Celebrations, Theodore Parker to a Young Man, A Letter Concerning A Plan of Reading, A New Lesson for the Day, The Aspect of Slavery in America, The Effect of Slavery on the American People, Parker's Indictment and the Fugitive Slave Cases, Parker in the John Brown Campaign.