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Heresies and Heretics: Reference Books

In Catholicism, heresy is a controversial or unorthodox theological challenge that conflicts with scripture, Church Tradition, dogma, or doctrine.

Quick Ready Reference

Primary Sources

Encyclopedias

Digital Library of the Catholic Reformation

Dictionaries

These Dictionaries and Encyclopedias can be quite useful for beginning research about Church History or Catholicism, or for clarifying terms and gaining background knowledge.  Many entries include bibliographies.

Broad-based Encyclopedias