Jefferson County Genealogical Society - The purpose of this web site is to familiarize Jefferson County researchers as to what is available at and from our society. www.rootsweb.com/~mojcgs/index.html
Jefferson County Historical Society - Aid in the preservation and research of the history of Jefferson County, Missouri. Publications are available for helping people research their ancestors who were in Jefferson County, Missouri. www.rootsweb.com/~mojeffer/jchs/index.html
Missouri Census - Jefferson County, Missouri census information from 1990. www.oseda.missouri.edu/mscdc/census/us/basictables/us.text/county/MO/MOJEFFER
