T. V. Powderly, Thirty Years of Labor, 1859-1889 (Philadelphia, 1890), 84-85.
Servile races was the term the Knights used.
Ruth Allen, The Great Southwest Strike, Univ. of Texas Publication no. 4214, April 8, 1942, 48-49.
Official History puts the strikers at 9,000. At places like Kansas City or Omaha, where the Missouri Pacific and the Union Pacific connected, Union Pacific workers sympathized with the strike but stayed neutral.
Allen, Great Southwest Strike, 71.
Official History, 21.
Other railroads, while hardly sympathetic to the Knights, were unwilling to go beyond their "contract obligations" to help Gould.
Allen, Great Southwest Strike, 71-91.
Callaway to Adams, March 25, 1886, UP, SG2, ser. 1, box 34, f. 2: Callaway.