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FamilySearch Wiki - Lassen County, California.

Free online genealogical research guide for Lassen County, California.

Genealogy Inc. - Lassen County, California Facts, Genealogy, Records & Links

Lassen County, California (USGenWeb)

Linkpendium - Lassen County, California

NACo (National Association of Counties) - County Explorer

Official County Web Site

USGenWeb Archives