The St. Louis, San Francisco and Texas Railway (reporting mark SLSF) was a subsidiary railway to the St. Louis-San Francisco Railway (Frisco) operating 159 miles of railway line in Texas. The Frisco, including the subsidiary, formed a large X-shaped system across the states of Kansas, Missouri, Oklahoma, Texas, Arkansas, Mississippi and Alabama. It merged into SLSF at the beginning of 1964; SLSF merged into the Burlington Northern Railroad in 1980.
- Lewis, Robert G. Handbook of American Railroads. New York: Simmons-Boardman Publishing Corporation, 1951, pp. 19–5.