Editing Bancroft Library (section)

==Later history==
[[File:Herbert Eugene Bolton 1905.jpg|thumb|Herbert Eugene Bolton, founding director]]
The university named history chairperson [[Herbert Eugene Bolton|Herbert E. Bolton]] its founding director, a position he held for the library's first 22 years. In his dual capacity, he made Bancroft Library a great research center for American history in congruence with the department's rise to prominence.<ref>{{Cite web|url=http://texts.cdlib.org/view?query=bancroft&docId=hb6r29p0fn&chunk.id=div00003&toc.depth=1&toc.id=0&brand=calisphere&x=9&y=11|title=University of California: In Memoriam, April 1958|website=texts.cdlib.org|access-date=November 29, 2015}}</ref> Until the decade of the 1960s, The Bancroft Library continued to focus exclusively on the history of the American West, particularly the borderlands of northern Mexico and the southern United States, from Florida to California, an area associated with the research interests of long-time directors Bolton (1918–1940) and [[George P. Hammond]] (1946–1966).

In the 1950s and 1960s Bancroft added the University of California archives and the [[Regional Oral History Office]], both significant to the history of California. In 1970, under new director [[James D. Hart]] (1970–1990), Bancroft's scope expanded dramatically when the University Library's Department of Rare Books and Special Collections was merged into it. These included the [[Tebtunis]] Archive of ancient papyri, excavated by an Egyptian expedition funded by [[Phoebe Apperson Hearst]] in 1899–1900 and the largest such collection in the Western Hemisphere; the papers of [[Mark Twain]], the object of the Mark Twain Project, which since 1965 has been editing everything written by him; a large collection of medieval manuscripts, incunabula, and rare printed books from the sixteenth through nineteenth centuries; and the literary manuscripts of such California writers as [[Ina Coolbrith]] (California's first poet laureate), [[Jack London]], [[Ambrose Bierce]], [[George Sterling]], [[William Randolph Hearst]], [[Rube Goldberg]], [[C. S. Forester]], figures associated with the [[Beat Generation]] in San Francisco, such as [[Lawrence Ferlinghetti]], [[Michael McClure]], [[Philip Lamantia]], [[Philip Whalen]], and [[William Everson (poet)|William Everson]] (Brother Antoninus), and contemporary authors such as [[John Mortimer]], [[Seán Ó Faoláin]], [[Maxine Hong Kingston]] and [[Joan Didion]].

From June 2005 to October 2008, the library underwent a total renovation and seismic retrofitting. Normal operations have resumed since  January 20, 2009. The library's director from 1995 through June 2011 was Charles B. Faulhaber, professor of medieval Spanish literature at Berkeley. In September 2011, Elaine Tennant, a medieval and early modern specialist in the German and Scandinavian departments at the University of California, Berkeley, became the James D. Hart Director of The Bancroft Library.