A primary source is a document or physical object which was written or created during the time under study. These sources were present during an experience or time period and offer an inside view of a particular event. Some types of primary sources include:
Examples of primary sources include:
What is a secondary source?
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. Some types of seconday sources include:
Examples of secondary sources include:
Although not a video, this useful tutorial clearly explains the difference between primary and secondary sources. It even has a short quiz at the end to test your understanding!
How to Determine if Your Sources are Primary, Secondary, or Tertiary (Penn Libraries, University of Pennsylvania)