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For example, these ideas may be used to trace the history of scientific theories, literary elements, and other information that is passed from one author to another. In scientific literature, a primary source, or the "primary literature", is the original publication of a scientist's new data, results, and theories. [8]
Primary sources can be reliable, and they can be used. Sometimes, a primary source is even the best possible source, such as when you are supporting a direct quotation. In such cases, the original document is the best source because the original document will be free of any errors or misquotations introduced by subsequent sources.
This includes published accounts, published works, or published research. For example, a history book drawing upon diary and newspaper records. Tertiary sources are compilations based upon primary and secondary sources. [1] [8] [3] These are sources which, on average, do not fall into the above two levels. They consist of generalized research ...
That ancient literary sources are called primary sources is somewhat unlike the common definition that a primary source is something written by someone "who was there" or was the first record of some event. It is very often the case, given the paucity of literary survivals from the ancient world, that the "first" record of some event has been lost.
Children's non-fiction literature (also called informational) is non-fiction written as children's literature, educating a young (typically pre-teen) audience about the world while oftentimes also seeking to entertain them in the process. [1] [2] Generally books of this genre feature simpler words and ideas, as well as pictures.
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).
The primary sources in classical studies are mainly the literary and inscriptional evidence from the ancient world. [a] [b] The works of ancient authors, even if they cite earlier known or lost writings, are primary sources (this includes, for example, Plutarch). [c] Inscriptions are also primary sources.
It has a policy distinguishing among primary, secondary, and tertiary sources. Dictionaries and glossaries present a special challenge in determining whether the source is primary, secondary, or tertiary. One dictionary or glossary may be considered a primary source among linguists, whereas for Wikipedia's purposes it is a secondary source.