found:NUCMC data from Indiana Historical Society for Wallace, L. Papers, 1799-1923(Richard J. Gatling)
found:LC data base, 10-22-1991(hdg.: Gatling, Richard Jordan, 1818-1903)
found:WWWA, 1897-1942(Gatling, Richard Jordan, 1818-1903; inventor)
found:Gatlin'gs premium grain drill, 1850:(R.J. Gatling, Indiana, "the best wheat drill" first annual fair, Cincinnati, Ohio, 1850)
found:Wikipedia, website viewed April 8, 2015(Richard Jordan Gatling; born September 12, 1818, Hertford County, North Carolina; died February 26, 1903, New York City; American inventor; best known for his invention of the Gatling gun; also invented a screw propeller, a wheat drill (planting device), hemp break machine, a steam plow (steam tractor), marine steam ram, and morot-driven plow (tractor); moved to St. Louis at age 36; graduated from Ohio Medical College; living in Indianapolis, Indiana at the outbreak of the Civil War; first president of the American Association of Inventors and Manufacturers; moved back to St. Louis, Missouri in his final years and died while visiting his daughter in New York City)
Gatling, Richard Jordan, 1818-1903
Richard Jordan Gatling