Pamphlets: - "Instruments for the Inspection of Coal Oil and Its Products" - "The Oil Fields of Texas Are Making People Rich. A Chance for You" Specifications for tanks, stills, agitators and condensers for the Southwestern Oil Co. General balance sheets and income statement of Southwestern Oil Co. Plans and prospectus of Houston Oil Company Statement showing operations of mill for July, 1903 Constitution and By-laws of Houston Freight Bureau By-laws of Southwestern Oil Co. General Correspondence