Answered By: Gary Maixner
Last Updated: May 06, 2016     Views: 6

This can be a challenging question to answer, as it varies by discipline. Please see the following websites for explanations, and please note that you may need to talk to your professor for clarification for your particular discipline / assignment:

Primary, Secondary, and Tertiary Sources: A Quick Guide from Cornell University Library

How to Find Primary Sources from University of Minnesota Libraries