Census of 1880 - R.Y. King, Belton, Bell County, age 50, born circa 1830, mercantile drummer, wife M.C. King, and daughter Lucy W. King.
FamilySearch .
Confederate States Army, Captain, Company A, 8th Regiment, Texas Cavalry. Military grave marker, Rufus Young King (1828-1911), portrait, burial in North Belton Cemetery, Belton, Bell County.
Find a Grave .
Biographical sketch, Hon. Rufus Y. King. Born 1830 in Florence, Alabama. A Memorial and Biographical History of McLennan, Falls, Bell and Coryell Counties, Texas, 1893, pp. 573-574, crediting Lena Armstrong Public Library.
Portal to Texas History (University of North Texas Libraries) .