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.

History 303 - Finding Primary Sources in Archives

Help with archival research for HIST303

What is the OAC?

The Online Archive of California (OAC) is a database for searching primary source collections located at California libraries, museums, and archives. Using the database, you can identify where a collection is held in California and then you can see if materials or digitized or schedule an appointment to see the collection.


Go to Cal Poly's OAC page


Two formats of finding aids

Finding Aids uploaded to the OAC by Special Collections staff are formatted in two ways.