found: The first 150 years in Cassville, Missouri, 1845-1995, c1995:p. 7, etc. (commissioners met in 1845 and selected a site for the county seat which is now known as Cassville, located in Barry Co.)
found: Rand McNally comm. atlas, 1988(Cassville; Barry)
found: Andriot's Township atlas of the United States, 1991(Cassville city, MO (Barry))
found: GeoNames, algorithmically matched, 2009(ppl; 36°40ʹ37ʺN 093°52ʹ08ʺW)
found: Wikipedia, April 9, 2019(Cassville, Missouri; Cassville is a city in Flat Creek Township, Barry County, Missouri; county seat of Barry County)