Pinkerton, Personal Record, 24.
Testimony of J. H. Strobridge, Aug. 9, 1887, PRC, 6:3107, corrected, 3139-40.
Eric Arnesen, "Like Banquos Ghost, It Will Not Down: The Race Question and the American Railroad Brotherhoods, 1880-1920," American Historical Review 99 (Dec. 1994): 1607.
