Eleven more historic California recordings from Hoover collections have been digitized for California Light and Sound, a project of the California Preservation Program. The recordings shed light on Herbert Hoover, Ronald Reagan, Proposition 13, the San Francisco Giants, the proposed peripheral canal, and the construction of the Bay Area Rapid Transit System (BART).

They are

The digitized materials are hosted by the Internet Archive. The original items came from several different collections at Hoover, though most are from the Commonwealth Club of California records.

• Stanford University’s 50th anniversary celebration motion picture film, 1941, depicting Herbert Hoover, Ray Lyman Wilbur, and others
• Edmund G. Brown press conference motion picture film, 1964, in which he comments on the death of Herbert Hoover
• The Governor and the Students video recording, 1974, in which students from Stockton Unified School District question Governor Ronald Reagan
• Bye-Bye Baby sound recording, 1976, in which Robert A. Lurie talks about keeping the San Francisco Giants baseball team in San Francisco
• California 2000 sound recording, 1978, in which Leo T. McCarthy describes what California will look like in the year 2000
• Discussion of Propositions 8 and 13 sound recording, 1978, in which Howard Jarvis and Peter Behr discuss the two competing property tax initiatives on the ballot
• California's Changing Image: Gold to Silicon sound recording, 1986, in which J. S. Holliday talks about the emerging computer industry
• The Rape of Northern Waters sound recording, 1969, in which Jerome R. Waldie discusses the proposed State Water Project
• California's Water Problems: Perspectives and Prospects sound recording, 1969, in which William R. Gianelli provides a counterpoint to Jerome Waldie’s presentation (above)
• BART: Its Problems and Progress sound recording, 1973, in which William R. Gianelli discusses the development of the Bay Area Rapid Transit system
• BART: Countdown to San Francisco sound recording, 1974, in which Bill H. Wattenberg discusses problems with BART