Cage, John - unpublished papers and materials John Cage: musical messages: an exhibition of pages from compositions by John Cage with commentary by Faculty of the Department of Music, University of California at San Diego. La Jolla, Calif., 1980. "Prepared for the residency of John Cage, Regent's Lecturer, sponsored by the Department of Music in conjuction with the Humanities and Arts Departments, January 28 - February 8, 1980 and exhibited in the East Room Mandeville Center for the Performing Arts." 12/92