Primary Sources
"These sources are records of events or evidence as they are first described or actually happened without any interpretation or commentary. It is information that is shown for the first time or original materials on which other research is based. Primary sources display original thinking, report on new discoveries, or share fresh information." Secondary Sources
"These sources offer an analysis or restatement of primary sources. They often try to describe or explain primary sources. They tend to be works which summarize, interpret, reorganize, or otherwise provide an added value to a primary source." Tertiary Sources
"These are sources that index, abstract, organize, compile, or digest other sources. Some reference materials and textbooks are considered tertiary sources when their chief purpose is to list, summarize or simply repackage ideas or other information. Tertiary sources are usually not credited to a particular author." "Primary, Secondary, and Tertiary Sources." UMN Library. N.p., n.d. Web. 2021. <https://www.crk.umn.edu/library/primary-secondary-and-tertiary-sources>.
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