This collection contains advertising ephemera from various Santa Rosa, California business, created between 1888 through the early 1920s. Includes calendars, display cards and other items.

This collection contains the business records of Pedersen's Furniture Company, which was known as Santa Rosa's oldest family-owned store until its closure in 2019. The collection includes family photographs, advertisements, ledgers and ephemera documenting the history of the company. It was founded in 1892 by Jens Christian Pedersen, a Danish immigrant and cabinet maker. The collection also includes photos of the 1906 earthquake and several issues of the Santa Rosa High School Newsletter.

This collection contains 24 binders and 1 bag that include programs, photographs, advertisements, administrative records of the Santa Rosa Community Concert Association of Santa Rosa, California.

Collection contains images, postcards, maps, wine bottle labels and other emphemera that portray the wine makers and companies of Sonoma County, past and present, from the 1860s through the 2000s. They document the immigrants and Utopians who founded the early wineries, wine families, the vineyards and wine production and the many varieties of wine created in Sonoma County.