Minutes, correspondence, reports, studies, speech transcripts, membership and financial records, printed matter, and sound and videotape recordings, relating to international, national, state and local public issues. An online, searchable database of recordings of club programs is available on the Hoover Institution Archives website, http://hoohila.stanford.edu/commonwealth/index.php .

The Commonwealth Club of California is a private, nonprofit organization for the nonpartisan study of public issues based in San Francisco, California. It was founded on February 3, 1903, by San Francisco Chronicle editorial writer Edward F. Adams to investigate and discuss public issues and contribute to their solution, provide an open and impartial forum for discussion of disputed questions, and influence public opinion according to conclusions reached after proper investigation.

1011 manuscript boxes, 47 cubic foot boxes, 119 oversize boxes, 62 card file boxes, 1 motion picture film, digital files (511 linear feet and 3434 digital files)

For copyright status, please contact the Hoover Institution Archives

Boxes 5-256 and 681-740 closed until 2018 January 1. Boxes 1239 and 1240 are closed indefinitely. The remainder of the collection is open for research. Boxes 1-737 are stored off-site. It may be possible to have a limited number of boxes brought to the archives reading room for examination. A minimum of two days notice is required. Please contact the Hoover Institution Archives for further information.