County Histories
Northern California - Source: A Memorial and Biographical History of Northern California - Chicago, Lewis Publ. Co., 1891
Sacramento Valley and Foothill Counties, California includes Amador, Butte, Colusa, El Dorado, Glenn, Nevada, Placer, Plumas, Sacramento, Shasta, Solano, Sutter, Trinity, Tehama, Yolo, and Yuba Counties.
| Alameda | Alpine | Amador | Butte | Calaveras |
| Colusa | Contra Costa | Del Norte | El Dorado | Fresno |
| Glenn | Humboldt | Imperial | Inyo | Kern |
| Kings | Lake | Lassen | Los Angeles | Madera |
| Marin | Mariposa | Mendocino | Merced | Modoc |
| Mono | Monterey | Napa | Nevada | Orange |
| Placer | Plumas | Riverside | Sacramento | San Benito |
| San Bernardino | San Diego | San Francisco | San Joaquin | San Luis Obispo |
| San Mateo | Santa Barbara | Santa Clara | Santa Cruz | Shasta |
| Sierra | Siskiyou | Solano | Sonoma | Stanislaus |
| Sutter | Tehama | Trinity | Tulare | Tuolumne |
| Ventura | Yolo | Yuba | Klamath (no longer exists) | LaBaja |