Christianity

Deliver Us From Abortion

The New Church; What, How, Why

The Blessed Curé of Ars in His Catechetical Instructions

A Compendium of the Chief Doctrines of the True Christian Religion

States of Christian Life and Vocation, According to the Doctors and Theologians of the Church

The Faith as Unfolded by Many Prophets

Thirty-five Years of Luther Research

Divine Selection or The Survival of the Useful

Pastoral Letter Promulgating the Jubilee

The poor Sisters of Nazareth

A Treatise on Relics

The Cult of the Saints

Letters of Dionysius the Areopagite

The Collected Works – Theodore Parker's Prayers

Unitarian Christianity

An Admonition showing, the Advantages which Christendom might derive from an Inventory of Relics

The Aquarian Gospel of Jesus Christ

The Labyrinth of the World and the Paradise of the Heart

Unitarianism in America

The Greatest Religious Novels of All Time