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Dubuque County Court House

Dubuque County Courthouse History

FamilySearch Wiki - Dubuque County, Iowa

Free online genealogical research guide for Dubuque County, Iowa. Free online genealogical research guide for Adair County, Iowa.

Linkpendium - Dubuque County, Iowa

NACo (National Association of Counties) - County Explorer

USGenWeb

USGenWeb Archives