[S74] Missouri - Marriage records 1802-2002 (Ancestry), ("Missouri Marriage Records, 1805-2002," digital image, «i»Ancestry.com«/i» (http://www.ancestry.com)), entry for Isaac Clark and Mrs. Mary Vaughan, Osage County, Missouri, [no book no. or title page offered], p. 10 (stamped) (6 Sept 1876, filed 14 Nov 1876); (Reliability: 3), 3 Jun 2008.