Cotton Belt Route Links & Resources
References and Additional Cotton Belt and Tyler History Resources
Smith County Historical Society
Texas Transportation Archive: Cotton Belt - 80 Years of Progress
Cotton Belt Depot Museum in Tyler Texas
The Encyclopedia of Arkansas: The St. Louis Southwestern Railway
WikiPedia: The St. Louis Southwestern Railway
Railroad Signals of the U.S. - Tyler
The Railroads of Alexandria Louisiana: Texas & Pacific, Missouri Pacific, KCS, SP, Rock Island
St. Louis Southwestern Railway Lines
Safety Rules
Governing Maintenance of Way and Structures Employes
Effective September 1, 1953