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What are the differences between Primary, Secondary, and Tertiary Sources?
Types of Sources | Definition | Characteristics | Examples |
---|---|---|---|
Primary | Original documents created or experienced concurrently with the event being researched. | First-hand observations, contemporary accounts of the event. Viewpoint of the time. | Interviews, news footage, data sets, original research, speeches, diaries, letters, creative works, photographs |
Secondary | Works that analyze, assess, or interpret a historical event, an era, or a phenomenon. Generally uses primary sources. | Interpretation of information, usually written well after an event. Offers reviews or critiques. | Research studies, literary criticism, book reviews, biographies, textbooks |
Tertiary | Sources that identify, locate, and synthesize primary AND secondary sources. | Reference works, collections of lists of primary and secondary sources, finding tools for sources. | Encyclopedias, bibliographies, dictionaries, manuals, textbooks, fact books |
Chart created by Loyola Marymount University Library
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Primary bibliographic database containing citations to articles regarding historical coverage of the United States and Canada from prehistory to the present. Indexes journals and citations of book and media reviews. Some full text is available.
Organized around the history of women in social movements in the U.S. between 1600 and 2000. Includes Document Projects and Archives, Documents, Full Text Sources, Bibliographies, Biographies, Social Movements, Chronology, Subjects, Book Reviews, Teaching Tools, and Back Issues.
Primary source documents related to voting rights activist and civil rights leader, Fannie Lou Hamer (1917-1977) spanning the time period from 1966-1978.
From the Archives Unbound collection
COE LIBRARY
Chalon Campus
Charles Willard Coe Library
12001 Chalon Road
Los Angeles, CA 90049
310.954.4370
McCARTHY LIBRARY
Doheny Campus
J. Thomas McCarthy Library
10 Chester Place
Los Angeles, CA 90007
213.477.2750
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