Volume 1: Concepts and Theories Part 1: Conceptual Discussions A: The Sociological Stance and the Truth Claims of Religion B: What is Religion?: Definitional Issues Part 2: Classical Theoretical Approaches A: Religion as an Individual Phenomenon B: Religion as a Social Phenomenon C: Early Synthesis Volume 2: The World Religions Part 1: The Eastern Traditions A: Hinduism B: Buddhism C: China and Japan Part 2: The Middle Eastern Traditions A: Judaism B: Islam Volume 3: Christianity Part 1: Origins and Development Part 2: Catholicism and Protestantism Part 3: Christianity Today Volume 4: Religion in the Contemporary World Part 1: Modern Theoretical Syntheses Part 2: Types of Religious Organization: Church Sect and Cult Part 3: Secularization Volume 5: Religious Movements Part 1: General Approaches Part 2: Sectarianism Part 3: New Religious Movements Part 4: Conversion Part 5: Civil, Quasi and Implicit Religion