An extensive list, complied by Family Search of archives, libraries, societies, and museums who preserve sources, maintain indexes, and provide services to help genealogists document their ancestors who lived in the area. Do contact the organization and ask for information on the collection, hours, services, and fees in advance of a visit.

CountyOffice.org is the most accurate internet database of county government offices in the United States. Use the site to locate county assessor, board of elections, chamber of commerce, child support offices, colleges, coroner, courts, clerk, district attorney, DMVs, fire departments, hospitals, IRS office, jails, libraries, medical examiner, parks department, post offices, police departments, prisons, private schools, probation departments, public schools, recorder of deeds, social security offices, sheriff, tax collector, treasurer, and unemployment offices. The database includes names, addresses, phone numbers, and fax numbers.

The Bureau of Vital Records has FREE certificates of Missouri births from 1910 to the present. The Bureau also maintains certificates of Missouri deaths that are less than fifty years old. House Bill 1634 (2004) transferred all death records over fifty years old to the Missouri State Archives (Search Missouri Death Certificate)