T. V. Powderly, Thirty Years of Labor, 1859-1889 (Philadelphia, 1890), 84-85.
Servile races was the term the Knights used.
Powderly, Thirty Years of Labor, 84.
Powderly, Thirty Years of Labor, 174-186.
John L. Thomas, Alternative America: Henry George, Edward Bellamy, Henry Demarest Lloyd, and the Adversary Tradition (Cambridge: Harvard Univ. Press, Belknap Press, 1983), 117-23.
Powderly, Thirty Years of Labor, 173-86.