Consisting of the libraries of the ten University of California campuses plus the California Digital Library, the combined University of California libraries hold some of the world’s most distinctive collections, provide a range of innovative services, and comprise the largest university research library in the world. The documents collected here are products of the UC Libraries of potential interest to audiences beyond the UC Libraries themselves and are reflective of the leadership shown by the UC Libraries during a period of rapid growth and change impacting academic libraries as well as the people and institutions they serve.