Primary sources are available online:
University of California’s free gateway to a world of primary sources that reveal the diverse history and culture of California and its role in national and world history. A variety of digitized primary sources are collected into sets that support the California Content Standards for use in K-12 classrooms. Themed collections are specifically designed to help educators quickly find primary sources for classroom use, based on time periods and themes.
Digital information resource that facilitates and provides access to primary source materials held in institutions across California.
California Digital Newspaper Collection
Freely accessible and searchable repository of digitized California newspapers from 1846 to the present.
Digital Sanborn Fire Insurance Maps
Digitized historic maps of US cities and towns. Cal Poly users have access to a subscription database of California Sanborn maps, which are frequently used for historical research and preservation and restoration efforts.
Primary source and archival materials covering topics such as art and architecture, performing arts, technology, and applied sciences.
Search and view newspapers from 1880-1922 and find information about American newspapers published from 1960 - present.
Single point of access to millions of items from libraries, archives, and museums around the United States. Includes "primary source sets" by topic or event, which are a good place to begin looking for primary sources by topic.
Free public access to collections of digitized materials, including websites, music, moving images, and nearly three million public-domain books.
A gateway to primary source materials relating to the history and culture of the United States. Includes a sampling of early American films, including works by the Edison Company, recordings of vaudeville and other popular entertainments, early animated films; recordings of early 20th Century presidents, and scenes of American work and leisure.
The Library’s world-renowned research collections feature more than 46 million items, from a copy of the Declaration of Independence to Maya Angelou’s papers. Over 800,000 of these items are digitized and available to researchers, from the Green Books to James Madison's papers.
In addition to public online digitized archives, there are also databases that the library subscribes to, that gather primary sources on a topic or area of focus. The Kennedy Library purchases subscriptions to these databases for students and campus researchers.
You can explore the databases at the library's A-Z list of databases
The library regularly adds new and trial databases, so I recommend checking the list to see what has recently been added.
Examples of databases include: