A primary source is original or new material on which other research is based. A secondary source analyzes, evaluates, re-packages, summarizes or reorganizes information reported by researchers in the primary literature. Many books including textbooks, newspaper or magazine articles, encyclopedias, and scholarly review articles are examples of secondary sources.
|Primary Sources||Secondary Sources|
|Data & statistics||Encyclopedias|
|Original research findings||Magazine articles|
|Speeches and interviews||Books unless written at the time of the event|
|Photographs||Analysis of research or an event|
|Government documents and public records||Review articles|
|Newspaper articles reporting facts about an event||Newspaper articles interpreting an event|