There are three types of sources:
1) Primary Sources
2) Secondary Sources
3) Tertiary Sources
A YouTube/Google account is required to watch this short video from the UC San Diego Library that "defines the difference between a primary and a secondary source of information in looking at the John F. Kennedy assassination. Primary and secondary sources are used to tell the story."
|Example . . .||Primary Sources||Secondary Sources|
|The Historian researching World War I might utilize:||
Newspaper articles, weekly/monthly news magazines, diaries, correspondence, and diplomatic records from 1914 to 1919.
|Articles in scholarly journals analyzing the war, possibly footnoting primary documents; books analyzing the war.|
|The Literary Critic researching literature written during World War I might utilize:||Novels, poems, plays, diaries, and correspondence of the time period.||Published articles in scholarly journals providing analysis and criticism of the literature; books analyzing the literature; formal biographies of writers from the era.|
|The Psychologist researching trench warfare and post-traumatic stress disorder in World War I veterans might utilize:||Original research reports on the topic or research notes taken by a clinical psychologist working with World War I veterans.||Articles in scholarly publications synthesizing results of original research; books analyzing results of original research.|
|The Scientist researching long-term medical effects of chemical warfare on exposed veterans might utilize:||Published articles in scholarly journals reporting on a medical research study and its methodology.||Published articles in scholarly journals analyzing results of an original research study; books doing the same.|