The purpose of this guide is to help users to identify, locate, and use primary sources in their research.

Click on the tabs above to:

• Read definitions of primary, secondary, and tertiary sources and learn to distinguish between them.

• Identify primary sources by subject.

• Locate primary sources in the University Library System (ULS) and beyond.

• Learn how to evaluate and cite primary sources.

You may also find this guide, A Guide to Primary Sources at the Archives Service Center, to be helpful.

Source: University of Pittsburgh Archives Photographs, 1884-present, Archives Service Center, University of Pittsburgh (Accessible through the Historic Pittsburgh Image Collections.)