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A History of Jefferson County Indiana

Ebook by Emery Ozro Muncie, 1932.

Biographical and Historical Souvenir for the Counties of Clark, Crawford, Harrison, Floyd, Jefferson, Jennings, Scott, and Washington, Indiana

Ebook, 1889.

FamilySearch Wiki - Jefferson County, Indiana.

Free online genealogical research guide for Jefferson County, Indiana.

Linkpendium - Jefferson County, Indiana

NACo (National Association of Counties) - County Explorer

Official County Web Site

USGenWeb

USGenWeb Archives - Jefferson County, Indiana