Klein, Union Pacific, 67-68.
Bain, Empire Express, 211.
Johnson and Supple, Boston Capitalists, 203.
"Patterns of Change in Railroad Company Board Members, 1872-1894," Spatial History Project, Stanford Univ.
"Distribution of Union Pacific Stockholders by City (1869)", Spatial History Project, Stanford Univ.
The most succinct account of these maneuvers is in Supple and Johnson, Boston Capitalists, 201-215.
For more detail see Klein, Union Pacific, 67-68, 80-83, 108-115, 122-28.
Johnson and Supple, Boston Capitalists, 209-10.
Testimony of Cornelius S. Bushnell, Report of the Select Committee of the House of Representatives, Appointed under the Resolution of January 6, 1873. To Make Inquiry in Relation to the Affairs of the Union Pacific Railroad Company, the Credit Mobilier of America and Other Matters . . . , 42nd Cong., 3d sess., 1873, H. Rept. 78, pp. 40-42.