Ripley, William Zebina. Railroads: Finance and Organization. 4th Ave. & 30th St., New York, N.Y.: Longmans, Green, & Company, 249–250. o. (1915) „gould.”
M-10000 Streamliner Debuts. Union Pacific. (Hozzáférés: 2018. szeptember 7.) See also in the sidebar: "By 1936, Union Pacific’s shiny new Streamliners had begun to attract passengers back to the railroad, but the Depression was keeping passenger counts low."