Find more by Googling your topic and stick "primary sources" at the end of your search. There are many collections available online for free.
Example: working women factory "primary sources"
You can also Google "primary sources" and LibGuides to find library research guides that have listed links to a variety of primary source collections. Many academic libraries use a tool called LibGuides made by Springshare to create guides, including the one for your class.
DPLA offers a single point of access to millions of items from digital collections around the United States. Includes photographs, manuscripts, books, sounds, moving images and more. Search by topic, timeline, map, and format.
A free public gateway to thousands of digitized primary sources - including photographs, documents, newspaper clippings, works of art - from UC museums and libraries and other cultural heritage institutions across California. Designed with a special emphasis on serving California teachers.
A website providing free public access to detailed descriptions of primary source collections (manuscripts, historic photos, etc.) maintained by libraries, archives, and museums throughout California.
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