Research Sources Explained
Primary, Secondary or Tertiary?

                  

 

Primary sources contain a first-hand account of the information presented.
Examples are:

  • statistics

  • standards

  • Government information

  • lab reports

  • diaries

  • letters

  • log books

  • books &  journal articles that present original, uninterpreted material

  • research results

FYI- For a history student, a primary source is often a document, recording or other source of information that was created at roughly the time being studied, by an authoritative source, usually one with direct personal knowledge of the events being described. For a literature student, a primary source could be a poem, a play or other literary work.

Secondary sources are writings that build on primary sources.

Examples are:

  • books that interpret or analyze the primary sources
  • conference publications
  • theses and dissertations
  • encyclopedias and handbooks that discuss the primary sources
  • periodical articles

FYI-Secondary sources are writings that analyze and interpret the primary sources. They are mainly used for presenting the views of others about your primary sources. Opinions and interpretations of other scholars bring credibility to your paper. For a history student, secondary sources could be for example writings about a certain work of a historical era.

Tertiary sources are usually indexes or encyclopedias that refer to primary and secondary sources.
Examples are:

  • encyclopedias and handbooks that discuss the secondary sources
  • bibliographies
  • abstract publications
  • periodical indexes

FYI-It is usually better to start from tertiary or secondary sources to find background information on your topic and references to primary sources. When you have read what other scholars have to say about the topic, you can better judge the primary sources you will be using in your research.

Research help is always available!
Email:
reference@tcu.edu 
Phone: 817-257-7117
Visit: Librarians are available for research help & consultation
at the Information Commons Desk (Main Floor of the TCU Library)

Reviewed by Laura Steinbach
Reviewed on 07/27/2009

This page includes content from:
http://www.opiskelijakirjasto.lib.helsinki.fi/koulutus/libtut/3resources_2.html