Skip to Main Content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.

Primary Sources: Home

Finding and making use of primary sources

What You Can Find Here

This guide will help you find primary documents in the following areas:




Scientific Research

Types of Sources

When doing research, sources are categorized in three types:

Primary sources:

Primary sources are firsthand accounts of events or periods of time, as well as original research and data.

Examples: diaries, photographs, scientific research

Secondary sources:

Secondary sources are interpretations, discussions,and analysis of primary sources. They are used to gain a broader understanding of the subject.

Examples: articles, magazines

Tertiary sources: 

Tertiary sources analyze, synthesize, and report on secondary sources. They are often written for a general audience.

Examples: textbooks, encyclopedias, Wikipedia

Your Library

Edmonds Community College Library For help and more information:

For Research Help:  Ask-a-Librarian

Hours & Location