Calvert to Holdrege, April 3, 1886, Holdrege to Potter, April 6, 1886, Potter to Perkins, April 12, 1886, CB&Q, 33 1880 3.1.
C. Crocker to CPH, Nov. 29, 1887, CPH Papers, ser. 1, r. 46.
For the defeat of the strike, Official History, 38.

Calvert to Holdrege, April 3, 1886, Holdrege to Potter, April 6, 1886, Potter to Perkins, April 12, 1886, CB&Q, 33 1880 3.1.
C. Crocker to CPH, Nov. 29, 1887, CPH Papers, ser. 1, r. 46.
For the defeat of the strike, Official History, 38.
Official History, 111-12.
"Eight Hours Law," Union Pacific Employes' Magazine, April 1886, pp. 86-87.
Allen, Great Southwest Strike, 123.
Green, Death in the Haymarket, 145-48, 154-55, 168-71, 174-273.
Biggs, Strikes as Sequences, 605.
Union Pacific Employes' Magazine, May 1887, p. 115.
"Powderly at Denver," Union Pacific Employes' Magazine, June 1887, p. 138.