CPH to Crocker, Jan. 12, Feb. 4, 1882, CPH Papers, vol. 29, ser. 2, r. 6.
CPH to Gates, Oct. 16, 1889, CPH Papers, ser. 1, r. 48.
Black, "American Labour and Chinese Immigration," 63.
C. Crocker to CPH, Jan. 21, 1882, no. 507, Jan. 27, 1882, no. 517, Crocker Papers, box 1, f. 12.
Peck, Reinventing Free Labor, 85. Callaway to Adams, Oct. 18, 1885, UP, RG 2361, box 21, Labor Disputes, Oct. 1885.
The standard account is Peck, Reinventing Free Labor.
Agreement, n.d., c. 1898, Great Northern, ser. B, r. 1.
Ichioka, "Japanese Immigrant Labor Contractors," 326, 330-31, 333, 336-37.
Minnesota, General Superintendent to J. W. Hill, Great Northern Railway, June 12, 1900, Vice President-Operating Division, General Manager Subject File 34-01, OTC, JL 1898-1910, OTC.