Spokane, Portland, and Seattle Railway (SP&S) System Special Instructions, February 26, 1952.
Spokane, Portland, and Seattle Railway (SP&S) System Special Instructions, May 20, 1951.
Spokane, Portland, and Seattle Railway (SP&S) System Special Instructions, November 21, 1937.
Spokane, Portland, and Seattle Railway (SP&S) Public Timetable, September 8, 1927.
Spokane, Portland, and Seattle Railway (SP&S) Public Timetable, March 1, 1937.
Spokane, Portland, and Seattle Railway (SP&S) Public Timetable, June 1, 1944.
Spokane, Portland, and Seattle Railway (SP&S) Public Timetable, January 1, 1938.
Spokane, Portland, and Seattle Railway (SP&S) Public Timetable, August 1, 1941.
Spokane, Portland, and Seattle Railway (SP&S) System except Terminals Division Employee Timetable, March 23, 1947.
Spokane, Portland, and Seattle Railway (SP&S) System except Terminals Division Employee Timetable, February 23, 1947.