What is a secondary source?
At the most general level, a secondary source interprets and analyzes primary sources. These sources are one or more steps removed from the event. Secondary sources may have pictures, quotes or graphics of primary sources in them, but are not themselves primary sources.
Some types of seconday sources include:
- Publications: Textbooks, magazine articles, histories, criticisms, commentaries, encyclopedias
Examples of secondary sources include:
- A journal/magazine article which interprets or reviews previous findings
- A history textbook
- A book about the effects of the Vietnam War