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Scipione Amati's History of the Kingdom of Woxu (1615), an example of a secondary source. In scholarship, a secondary source [1] [2] is a document or recording that relates or discusses information originally presented elsewhere. A secondary source contrasts with a primary, or original, source of the information being discussed. A primary ...
Availability of secondary sources covering the subject is a good test for notability. " Sources " [ 3 ] should be secondary sources , as those provide the most objective evidence of notability. There is no fixed number of sources required since sources vary in quality and depth of coverage, but multiple sources are generally expected. [ 4 ]
Similarly for breaking news, a contemporary secondary news source can quickly become a historical primary source. Articles of recent current events must be periodically updated with new secondary sources. Sources of any age may be prone to recentism, and this needs to be balanced out by careful editing.
A primary source can have all of these qualities, and a secondary source may have none of them. Deciding whether primary, secondary or tertiary sources are appropriate on any given occasion is a matter of good editorial judgment and common sense, not merely mindless, knee-jerk reactions to classification of a source as "primary" or "secondary".
Whether a source is primary, secondary or tertiary can depend on the topic that an article is covering. For example, the summary for policy makers from the IPCC is a secondary source for the article Global warming but it would be a primary source if used for the article Intergovernmental Panel on Climate Change. Similarly, a book review in a ...
Sources must support the material clearly and directly: drawing inferences from multiple sources to advance a novel position is prohibited by the NOR policy. [h] Base articles largely on reliable secondary sources. While primary sources are appropriate in some cases, relying on them can be problematic.
If you have copied text but forgotten to use the edit summary, this can be easily corrected: You can make a dummy edit by making an inconsequential change to the article—such as adding a blank line to the end of the article—and link to the source article in edit summary then. A note such as "content copied from [[source article]] on 1 ...
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 ...