This collection consists of the pre-1934 institutional archive of the William Andrews Clark Memorial Library and the records of its founder, William Andrews Clark, Jr. Items include correspondence, invoices, photographs, secondary source materials and other documents related to Clark, his library, and his family, friends and colleagues.

Collection of materials created by and for the Zamorano Club, including primarily printed books, pamphlets, and other ephemera from meetings, talks, and dinners. Also includes minutes from meetings, meeting announcements, and other club functional records.