It has more extensive lists of resources and tools than this introductory guide does. There may already be a detailed list of sources, a bibliography, for your topic. Bibliographies don't always come at the end of a paper- many are independent works of their own, full of recommended sources on any given topic. Look for specialized subject bibliographies: search, e. Note:The word Bibliography must be searched as a Subject keyword. If you find an older article or book in a bibliography, you can use the Cited Reference Search in Web of Science to find more recent articles by seeing who has cited it.
If you have a bibliography of primary sources, then the Web of Science can be used to find secondary sources that cite a specified primary source. Harvard University Digital Accessibility Policy. Toggle navigation. Table of Contents.
Some types of secondary source include: Textbooks; journal articles; histories; criticisms; commentaries; encyclopedias Examples of secondary sources include: A scholarly article about water and bathing in Mexico City, A book about the psychological effects of WWI A U. 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. Examples of Secondary Sources: Textbooks, edited works, books and articles that interpret or review research works, histories, biographies, literary criticism and interpretation, reviews of law and legislation, political analyses and commentaries.
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. Phone: umclib umn. Warning: Your browser has javascript disabled. Without javascript some functions will not work, including question submission via the form. What are primary, secondary, and tertiary sources? Toggle menu visibility. Search for answers:. Last Updated: Nov 25, Views: See How can I find primary sources? Note: There are differences between the disciplines in the ways that source types are defined.
See Virginia Tech's University Libraries for an excellent summary. Defining a source as primary, secondary, or tertiary can also depend on how you are using the material. A newspaper article may be both primary and secondary. This example is from the University of Maryland : A magazine article reporting on recent studies linking the reduction of energy consumption to the compact fluorescent light bulb would be a secondary source.
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