Primary sources are the evidence of history. They are the first-hand accounts of an event or period of time created by participants or observers. There are many kinds of primary sources including texts (letters, diaries, government reports, newspaper accounts, novels, autobiographies), images (photographs, paintings, advertisements, posters), artifacts (buildings, clothing, sculpture, coins) and audio/visual (songs, oral history interviews, films).
Examples of primary sources include:
Secondary sources 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:
Other examples of secondary sources include:
A journal/magazine article which interprets or reviews previous findings
A history textbook
A book about the effects of WWI