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- Key reference sources
- Key database: Philosopher's Index
- Helpful websites: Databases by subject (scroll down to Philosophy) and another listing
History
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A key distinction:
- Primary source: "A document, datum, or artifact that belongs to the era under examination and that offers the most direct access
to the person or issues being studied."
--James Bradley and Richard Muller, Church History: An Introduction to Research, Reference Works, and Methods (Grand Rapids, Mich: Eerdmans, 1995), 39
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- Secondary sources: "Offer information about an event but stand removed from it either in time or by a process of transmission of information." Ibid., 41.