Alphabetical subject index to Minutes of Board of Supervisors. Index to: General Minutes (498), Vol. 21, beginning p. 278, to Vol. 28. Index shows: Name (of subject, such as "Assessments," "Appointments," "Advertising"); Nature of Order or Subject Matter; Date Acted Upon (month, day, year), Book, Page. Listed in the 1980 inventory of the Sonoma County Clerk's office as no. 504.