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News Posts

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Read our specialized blogs on Local History & Genealogy, the Petaluma History Room, and our Teenspace.

Local History and Genealogy

Local History and Genealogy

Notes on Sonoma County local history and genealogy from the History & Genealogy Library -- famous people, buildings, places in the history of the county and its settlements and more.

Petaluma History Room Notes

Petaluma History Room

Notes on Petaluma and southern Sonoma County history from the Petaluma History Room – and not just chickens! Learn about famous Petalumans, notable buildings and interesting places in the city and its region.


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Teenspace is the Sonoma County Library’s blog for teens. Read on for recommended books, events, and more.