Biography
Robert Harden was an IWW member from Duluth, Minnesota. Robert Harden was convicted of threatening the life of the president of the United States and sentenced to two years in prison. He served in Leavenworth Penitentiary from August 13, 1917, to October 14, 1919, 151 Armin Von Harder v/as sentenced to three years in prison. He served in McNeil Island Penitentiary beginning on October 16, 1918.
The January 1920 Chicago conspiracy list names Robert Harden but explicitly marks him not apprehended. This allegation is not added as an actual confinement episode, conviction or served sentence.
The One Big Union Monthly, May 1920, vol. 2 no. 5, PDF page 60.
Case
USP McNeil Island