Welcome to Calisphere: your gateway to California’s remarkable digital collections. Calisphere provides free access to unique and historically important artifacts for research, teaching, and curious exploration. Discover over two million photographs, documents, letters, artwork, diaries, oral histories, films, advertisements, musical recordings, and more.
Learn more about Calisphere by watching this introductory video.
About the collections in Calisphere
Calisphere provides free access to more than 2,000 collections contributed by more than 300 cultural heritage organizations (libraries, archives, museums, and historical societies) in California. Each of these organizations has specific collection emphases, which may be informed by local history, activities, research interests, or other topics significant to its communities.
Learn more about the collections in Calisphere, including how primary source records are described; how shared community values and standards guide access to historical materials; how we strive to provide responsible access to digital primary sources--and how you can help!
Add your collections
Calisphere aggregates digital collections from libraries, archives, museums, historical societies, and other cultural heritage organizations in California. If you represent such an organization and are interested in contributing digital content to Calisphere, learn more about becoming a contributing partner.
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We offer free posters for students, teachers, and librarians. Visit the poster order page for more details.
Spread the word
Love Calisphere? Help us spread the word! Check out our outreach tips and tools for sharing Calisphere with others.
Information about Calisphere's technical framework can be found on our FAQ page.