In research, the term tertiary source[1][2] is a relative term. What is considered tertiary depends on what is considered primary and secondary. A tertiary source may thus be understood as a selection, distillation, summary or compilation of primary sources, secondary sources, or both.[3][4][5] The distinction between primary source and secondary source is standard in historiography, while the distinction between these sources and tertiary sources is more peripheral, and is more relevant to the scholarly research work than to the published content itself.
In some contexts typical instances of tertiary sources are bibliographies, library catalogs, directories, reading lists and survey articles. Encyclopedias and textbooks are examples of written materials that typically embrace both secondary and tertiary sources, presenting on the one hand commentary and analysis, while on the other attempting to provide a synoptic overview of the material available on the topic.
A different definition is used by the UNISIST model in which secondary sources are understood as bibliographies, while tertiary sources are understood as synthesis of primary literature.
See also[]
- Research
- Source text
- Primary source
- Secondary source
- UNISIST model
Notes[]
- ↑ Primary, Secondary and Tertiary Sources, UM Libraries
- ↑ JCU - Primary, Secondary & Tertiary Sources
- ↑ See, e.g., University of Maryland Libraries (2001) "Primary, Secondary and Tertiary Sources"
- ↑ See, e.g. Glossary, Using Information Resources. ("Tertiary Source" may be defined as "reference material that synthesizes work already reported in primary or secondary sources".)
- ↑ "Library Guides: Primary, secondary and tertiary sources"
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