The Bancroft Library is the primary special-collections library of the University of California, Berkeley. It was acquired from its founder, Hubert Howe Bancroft, in 1905, with the proviso that it retain the name Bancroft Library in perpetuity. The collection at that time consisted of 50,000 volumes of materials on the history of California and western North America. It is now the largest such collection in the world. The library's current building, the Doe Annex, is in the center of the university's main campus, and was completed in 1950.

The University of California, Berkeley is a public land-grant research university in Berkeley, California. Founded in 1868 and named after Anglo-Irish philosopher George Berkeley, it is the state's first land-grant university and the founding campus of the University of California system. Berkeley is also a founding member of the Association of American Universities. It has been regarded as one of the top universities in the world.