A selection of historical Sonoma County maps held by the Sonoma County Library. It includes township maps, plat maps and more.
Map of Sea Ranch, about 1980
Renderings, blueprints and sketches from prominent Sonoma County architects, drawn from the collections of the Sonoma County Library.
Assembly, Music, & Dramatics Building at the Santa Rosa Junior College, C.A. Caulkins, 1936
Jewish synagogue in Santa Rosa, California, prepared by J. C. Lindsay, about 1924
materials associated with advertisements for Sonoma County businesses, tourism, political campaigns, events and organizations featured in newspapers and other sources.