- In depth guide to finding primary sources at OU.
- In depth guide to finding secondary sources at OU.
- Government Documents Department
- Learning to do Historical Research: A Primer for Environmental Historians and Others (from Wisconsin)
Secondary sources are materials written by historians using primary sources (such as government reports, newspaper articles, memoirs, etc.) Examples of secondary sources include:
See the boxes below for resources to help you find different types of secondary sources: Required Texts, Books and More, Journal Articles, and Encyclopedias.