Phillip Campbell – författare

Pope Innocent III and His Times

Epitaphs of the Catacombs: Christian Inscriptions in Rome During the First Four Centuries

Rending of Christendom: A Primary Document Catholic Study Guide

Catholic Middle Ages: A Primary Document Catholic Study Guide

Pope Innocent III and His Times

The Story of Civilization, Volume 1: The Ancient World

The Story of Civilization: Volume II - The Medieval World Test Book

The Story of Civilization: Volume II - The Medieval World Teacher's Manual

The Story of Civilization: Volume II - The Medieval World Activity Book

The Story of Civilization: The Making of the Modern World Text Book

Story of Civilization: Making of the Modern World Test Book

Story of Civilization: Making of the Modern World Teachers Manual

Story of Civilization: Making of the Modern World Activity Book

The Story of Civilization: Vol. 4 - The History of the United States One Nation Under God Text Book

Matron of Paris: The Story of Saint Genevieve

Power From On High

Theocratic Kingship from Constantine to the Reformation

Complete Works of Saint Cyprian of Carthage

Story of the Philippines

God's Rampart in Asia

Tale of Manaeth

Life of St. Brigid of Kildare by Cogitosus

And Other Selected Writings

Paladologies

Saga of Ireland

Test Book and Answer Key

Way of Life

Spiritual Essays from Unam Sanctam Catholicam