A small sample of the many primary sources available online. Libraries and archives are continuing to digitize their collections. The source matters, however. Using materials from the website of a well-known historical association or university is preferable to documents with an unknown or murky provenance.
Using Google, follow these steps.
Example:
Original search - "integration efforts from the civil rights era"
New search - "civil rights video digital collection"
Narrow your search results to government, educational, or nonprofit organizations.
Google search:
After entering our search terms, type "site:.edu"
Example: dust bowl letters OR correspondence site:.edu