- Primary, Secondary & Tertiary Sources
- A primary source is an original object or document, first-hand information.
- Primary source is material written or produced in the time period that you may be investigating.
- Primary sources enable the researcher to get as close as possible to what actually happened
during an historical event or time period.
Primary Source include:
- Diaries
- Letters
- Memoirs
- Journals
- Speeches
- Manuscripts
- Interviews
- Photographs
- Audio or video recordings
- Research reports(natural or social sciences)
- Statistical Data
- Historical documents
- Public first-hand accounts or stories
- A secondary source is something written about a primary source.
- Secondary sources are written "after the fact"- that is at a later date.
- Usually the author of a secondary source will have studied the primary sources of an historical period or event and will then interpret the "evidence" found in these sources.
- You can think of secondary sources as second-hand information.- Secondary source is actually second hand information that were adapted "after" the events occurred.
Examples of Secondary Source
- Almanacs
- Encyclopedias
- History books
- Text books
- Biographies
Tertiary Source
- Distillation and collection of primary and secondary sources
- Includes most types of references
Examples of Tertiary Source
- Bibliographies of bibliography
- Directories of directories
- Guides to the literature
Summary of Information Sources