Norris, Octopus, 386-87.
The best account of the management of the Central Pacific and the Southern Pacific is Evelyne Payen-Varieras, "Les cadres salaries du Central Pacific Railroad, 1869-1889," Revue d'historie moderne et contemporaine 55 (Oct.Dec. 2008): 123-59.
Frank Norris, Octopus, 72.
Most of the records of the Canadian Pacific remain closed, and so it may very well also be true of the Canadian Pacific.
Chandler, Visible Hand, 3-12, 79.