


Bureau Of Railway Economics

Altman, Leo; Bakken, Dick; Braden, Wilber (Eds. )

Clark, Clarence D. & Magrath, Charles A. (Chairmen)

Harris, Thomas Bird

Wilmer, William H. ; Ireland, M. W. ; March, Peyton C. ; Harris, P. C.

Arnold, Thomas Jackson


Poor's Railroad Manual Co.

Grenfell, Edw. (Chief) & Gill, Howard

Fuller, Thomas & Nuttall, P. Austin

The American Iron and Steel Association






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