- Central Coast Veterans Memorial Museum
- County of San Luis Obispo Clerk-Recorder's Office
- Heritage Shared
- History Center of San Luis Obispo
- Historical Morro Bay, California
- Historical Morro Bay, California (different site)
- History in San Luis Obispo County
- Links to the Land: Ranching the Central Coast
- Paso Robles Pioneer Museum
- Register of Historic Places, San Luis Obispo County
- San Luis Obispo County, California GENWEB
- San Luis Obispo County Cemeteries at Findagrave.com
- San Luis Obispo County Obituaries
- South County Historical Society
- United States GenWeb - San Luis Obispo County
- Wilmar Tognazzini books online (100 Years Ago Today in the San Luis Obispo Tribune)
Libraries
Lineage Societies
- Colonial Dames of the XVII Century - Sierra de Santa Lucia Chapter
- Children of the American Revolution - Stephen Eastin Society
- Daughters of the American Revolution - El Paso de Robles Chapter
- Daughters of the American Revolution - La Cuesta Chapter
- Daughters of Union Veterans of the Civil War - Laura Belle Stoddard #22
- Sons of the American Revolution - Central Coast Chapter
- Sons of Confederate Veterans - Santa Barbara Camp
- United Daughters of the Confederacy - Phoebe Yates Pember Chapter
- United States Daughters of 1812 - U.S.S. Constitution Chapter