found:Americanism versus Bolshevism, 1920:t.p. (Ole Hanson, former mayor of Seattle)
found:Vintage Seattle website, July 5, 2011(Ole Hanson (1874-1940))
found:Marquis who was who in America, accessed via Credo, July 5, 2011(HANSON, Ole; mayor of Seattle, real estate developer; Death: Died July 6, 1940)
found:California death index, accessed via Ancestry Library edition, July 5, 2011(Ole Hanson; Sex: Male; Birth Date: 6 Jan 1874 Birthplace: Wisconsin Death Date: 6 Jul 1940 Death Place: Los Angeles)