The cumulative index to the Sonoma Historian (1962 - 2021), the journal of the Sonoma County Historical Society, was maintained by the Sonoma State University Library Special Collections department for the historical society until the end of 2021, when the historical society ceased print publication of the journal.
To access the articles you find, search the Sonoma Historian Online.
| Title | Date | Issue | Pages |
|---|---|---|---|
| Christian, Charles | 2019 | #2 | p. 22 |
| Christmas Past on River | 1990 | #6, | p. 4 |
| Christmas Past on River | 1986 | #1 | p. 14 |
| Christmas Past on River | 1986 | #4 | pp. 12-13 |
| Christo | 2020 | #3 | pp. 16-17 |
| Christo Javacheff and Jeanne-Claude, artists | 2009 | #4 | pp. 16-17 |
| Christo Javacheff and Jeanne-Claude, artists | 2016 | #1 | p. 21 |
| Church of One Tree | 2009 | #4 | pp. 9-11 |
| Church, St. Francis Solano | 1978 | #3 | p. 8 |
| Circle M Ranch, Schellville | 2003 | #4 | p. 16 |
| City’s First Settler, J. E. Lockwood, book | 2016 | #1 | pp. 14-15 |
| Civil Defense, 1950-63 | 2002 | #3 | pp. 9-11 |
| Civil War, and Sonoma County | 2012 | #3 | p. 14 |
| Civil War, California participants in | 2013 | #3 | pp. 12-16 |
| Civil War, local activities related to | 2013 | #3 | pp. 9-11 |
| Clar, C. R., Mar | 1964 | pp. 10-11 | |
| Clar, R., Christmas | 1976 | #1 | pp. 3-4 |
| Clausen, Dan | 2010 | #3 | pp. 8, 10 |
| Clo the Cow | 2019 | #3 | pp. 14-15 |
| Clover-Stornetta | 2019 | #3 | pp. 14-15 |
| Cloverdale | 2008 | #4 | pp. 15-17 |
| Cloverdale | 2012 | #2 | pp. 42-43 |
| Cloverdale History Center | 2009 | #3 | p. 4 |
| Cloverdale History Center | 2009 | #4 | pp. 4, 11 |
| Cloverdale Memories, Recollections of Growing Up on Family Ranches Near Cloverdale and Yorkville, book | 2014 | #2 | pp. 20-21 |
| Cloverdale, Images of America series, book | 2008 | #4 | p. 15 |
| Clyman, James (assessor) | 1991 | #1 | pp. 4-6, 13 |
| COAAST | 2014 | #2 | pp. 9-10 |
| Coast trip 1885 | Dec. 1988 | pp. 18-19 | |
| Coastal walks | 2014 | #2 | pp. 12-15 |
| Coates, Juanita | 2007 | #3 | pp. 6-12 |
| Cobb, Ty | 2010 | #1 | pp. 7-8 |
| Codding family | 2008 | #4 | pp. 6-10 |
| Codding, Hugh | 2009 | #1 | pp. 6-13 |
| Codding, Hugh | 2009 | #2 | p. 17 |
| Codding, Hugh | 2018 | #1 | pp. 9-12 |
| Colonel James B. Armstrong: his family and his legacy, book | 2009 | #1 | pp. 14-16 |
| Colt revolver, Capt. C. Justi | 1994 | #4 | pp. 12-13 |
| Comstock family | 2007 | #1 | p. 2 |
| Comstock House, Santa Rosa | 2006 | #3 | p. 2 |
| Comstock House, Santa Rosa | 2006 | #4 | p. 2, 19 |
| Concerts | 2020 | #3 | p. 15 |
| Coney, Joe | 2009 | #4 | pp. 6-9 |
| Connor, Ann | 2019 | #4 | pp. 8-9 |
| Connor, Ann, historian | 2013 | #1 | pp. 6-7 |
| Cookie Jar of Life, book | 2014 | #3 | pp. 18-19 |
| Cooking in Sonoma County | 2007 | #4 | pp. 8-10, 17 |
| Cosmopolitan colony, Mark West Creek | Summer 1970 | pp. 10-11 | |
| Cotati book by Drapers | 2004 | #2 | p. 19 |
| Cotati Grammar School | 2006 | #1 | p. 4 |