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Mathematics

Primary vs. Secondary Sources

Primary sources are original sources created by a participant or observer of a historical event. Primary sources may include: letters, manuscripts, diaries, journals, newspapers, speeches, photographs, audio recordings, government documents, and videos. In the arts, primary sources also include original garments, sketches, wigs, etc.

Secondary sources are interpretations or analyses of an event, usually written by scholars after the event occurred.

Engineering Databases

Computer Science

Multidisciplinary Databases