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A primary source was a source that was created at about the same time as the event, regardless of the source's contents. So while a dictionary is an example of a tertiary source, an ancient dictionary is actually a primary source—for the meanings of words in the ancient world.
This wall painting found in the Roman city of Pompeii is an example of a primary source about people in Pompeii in Roman times (portrait of Terentius Neo).. In the study of history as an academic discipline, a primary source (also called an original source) is an artifact, document, diary, manuscript, autobiography, recording, or any other source of information that was created at the time ...
Primary sources usually have some immediate connection or contact with the source of the new idea, thought, or data. For example, the primary source of some experimental data might be written by the scientist who performed the experiments. The primary source of a quotation might be written by someone who was present when the thing was said.
One dictionary or glossary may be considered a primary source among linguists, whereas for Wikipedia's purposes it is a secondary source. Another dictionary or glossary that among linguists is considered derivative, and thus secondary, is likely considered a tertiary source for Wikipedia's purposes. Additionally, some glossaries are considered ...
Sources of information are commonly categorized as primary, secondary, or tertiary sources.In brief, a primary source is one close to the event with firsthand knowledge (for example, an eyewitness); a secondary source is at least one step removed (for example, a book about an event written by someone not involved in it); and a tertiary source is an encyclopaedia or textbook that provides a ...
Secondary sources may draw on primary sources and other secondary sources to create a general overview; or to make analytic or synthetic claims. [3] [4] Tertiary sources are publications such as encyclopedias or other compendia that sum up secondary and primary sources. For example, Wikipedia itself is a tertiary source.
They have been distinguished from secondary sources, which often cite, comment on, or build upon primary sources. [6] They serve as an original source of information or new ideas about the topic. Primary and secondary, however, are relative terms, and any given source may be classified as primary or secondary, depending on how it is used. [7]
Many sources contain a combination of primary/secondary or secondary/tertiary material, sometimes all three. A source that is secondary in one context may be primary in another (e.g. a history book is a secondary source for the facts it reports, but a primary source for what the author wrote about an event).