Ames, C. E. (1969). Pioneering the Union Pacific: A reappraisal of the builders of the railroad. Appleton-Century-Crofts.

Ames, Charles Edgar. Pioneering the Union Pacific: A Reappraisal of the Builders of the Railroad. New York: Appleton-Century-Crofts, 1969.

Ames, Charles Edgar. Pioneering the Union Pacific: A Reappraisal of the Builders of the Railroad. Appleton-Century-Crofts, 1969.