The Academy Library, founded in 1853, is a research library devoted to natural history and the natural sciences. Our subject strengths include: Systematics and Taxonomy, Evolutionary Biology, Biodiversity, Biogeography, Local and Regional Natural Sciences, and Natural History. Our varied collections that include books, journals (in print and online), photographs, slides, digital images, maps, primary source materials, and other media.

Featured Item: The Barton Warren Evermann Papers


We recently processed and created a finding aid to the Barton Warren Evermann papers to aid researchers in using this collection. The Evermann papers are comprised of materials related to the life and work of educator, ichthyologist, and long-time director of the California Academy of Sciences, Barton Warren Evermann, 1853-1932. This collection is 43.36 cubic feet and contains correspondence, field notes, manuscripts, and photographic materials.

Main Library

The Main Library collections include the Research, Reference, Rare Books, Serials, and Map Collections.  This collection is curated and maintained by the librarians in close consultation with Academy curators and staff.  All of these holdings are represented in the Academy Library catalog.

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Academy Archives

Academy Bay, Indefatigable Island. John T. Howell, collecting plants

The Academy Archives is part of the Academy Library, and includes material on the history of the institution, including scientific expeditions and research, Museum exhibits, building history, and general administrative history. We also hold collections on the history of science in the American West and the research of scientists throughout the Pacific Rim.  Box lists, finding aids, and biographies are available for many of our collections.

Learn more & browse our collections

Corsi Digital Library

Sally Lightfoot Crab; Gerald and Buff Corsi © California Academy of Sciences.

The Corsi Digital Library is the institutional home of the Academy's historic and naturalist photography collections.  Through a partnership with the CalPhotos project, the Corsi Digital Library provides over 60,000 images of flora and fauna in the field.  The Corsi Digital Library also houses our onsite digitization laboratory, facilitating digitization of the Academy's historic photograph and text collections.  For more information about accessing and using content from the Corsi Digital Library, please contact or visit to browse the collection.

Manzanita Image Project

Nicobar Pigeon; Gerald and Buff Corsi © California Academy of Sciences

The Manzanita Image Project is a Web resource of images of plants, animals, fungi, landscapes & habitats and people & culture from the California Academy of Sciences Library.  The project is a partnership with CalPhotos, a project of the University of California, Berkeley Digital Library.  Use of Manzanita Project images is easy and free for educational use.

Visit the Manzanita Image Project

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