Ostler, Prairie Populism, 2-11, 91-153.
C. Crocker to CPH, Nov. 29, 1887, CPH Papers, ser. 1, r. 46.
Ruth Allen, The Great Southwest Strike, Univ. of Texas Publication no. 4214, April 8, 1942, 48-49.
Allen, Great Southwest Strike, 49, 71, 82.
Michael J. Cassity, "Modernization and Social Crisis: The Knights of Labor and a Midwest Community," Journal of American History 66 (June 1979): 53.
Allen, Great Southwest Strike, 98-99.