found: Smith, G.M. Joe Hill, 1984, c1969: CIP t.p. (Joe Hill)
found: LC data base, 11/17/83 (hdg.: Hillstrom, Joseph, 1879-1915; usage: Joe Hill)
found: Webster's Am. biogs., 1979 (Hill, Joe)
found: WW, v. 4 (Hill, Joe; born Joel Hägglund; after immigration to U.S. chgd. name to Joseph Hillstrom)
found: Stavis, B. The man who never died, 1972: p. 13, etc. (b. Joel Emanuel Hägglund; ch. name to Joseph Hillstrom, which became Joe Hillstrom, finally Joe Hill)
found: Wikipedia, website viewed 25 October 2012 (Joe Hill; b. October 7, 1879, Gävle, Sweden; d. November 19, 1915, Utah by firing squad; also goes by Joseph Hillström; labor activist; songwriter; member of the Industrial Workers of the World)