History

The World's Debt to the Catholic Church

Letters on the Moral and Religious State of South America

The Devil Within

The History of the Rise, Increase, and Progress of the Christian People Called Quakers

The Cross in Ritual, Architecture and Art

The Origin and Development of Christian Dogma

Report of Commemorative Services with the Sermons and Addresses at the Seabury Centenary, 1883–1885

The Mormons: A Discourse Delivered Before the Historical Society of Pennsylvania

The Popes and Science The History of the Papal Relations to Science During the Middle Ages and Down to Our Own Time

Fifty Notable Years

Our Sabbaths in Danger

Catholic Colonization in Minnesota

Origin of the 'Reorganized' Church and the Question of Succession

Ecclesiastical Vestments

The Penitente Moradas of Abiquiú

Essentials in Church History

The History of the Reformation of Religion in Scotland

On Mule Back Thru Central America with the Gospel

A Record of St. Cybi's Church, Holyhead and the Sermon preached after its Restoration, 1879

The Church Year and Kalendar