An act for the relief of the International Railroad Company, now consolidated with the Houston & Great Northern Railroad Company, under the name of "the International & Great Northern Railroad Company.". Austin, Texas: Texas Secretary of State. 1875. OCLC741330053.
Annual report for the year ended December 31, 1956. St. Louis, Missouri: Missouri Pacific Railroad Company. 1957. p. 2. OCLC15159994.
