found: nuc88-101996: His God's country [MI] 1929(hdg. on CtY rept.: Barton, Ralph, 1891-1931)
found: LC data base, 2/7/89(hdg.: Barton, Ralph, 1891-1931; usage: Ralph Barton)
found: Marquis who's who WWW site, July 8, 2019(Ralph Barton; born in Kansas City, Missouri, Aug. 14, 1891, died May 20, 1931; artist-caricaturist)
found: University of Missouri--Columbia libraries, Ralph Barton collection finding aid, viewed online July 2, 2021:(Ralph Barton; shot himself May 19, 1931 in his East Midtown Manhattan apartment)
found: New York Times obituary dated May 21, 1931, online surrogate viewed July 2, 2021:(committed suicide yesterday [May 20])