Testimony of Leland Stanford, PRC 5: 2951 .
Testimony of Leland Stanford, PRC 5: 2495.
Testimony of Leland Stanford and of Charles Crocker Jr., PRC, 5:2990-99.
Congressional Record, 43rd Cong., 2d sess., Jan. 10, 1887, 490-91.
Perkins to Forbes, April 28, 1878, 3 F 3.23.3, J. M. Forbes, In-letters, private from C. E. Perkins, CB&Q.
Proctor, Not without Honor, 236.
Richard Overton, Perkins/Budd: Railway Statesmen of the Burlington (Westport, Conn.: Greenwood Press, 1982), 44-45, 58-59.