Brown cover book titled "Code of Rules Governing the Condition of, and Repairs to, Freight Cars for the Interchange of Traffic Adopted by the Master Car Builders Association". The book is published by The Association, 31 White Bldg, Buffalo, NY and revised at Saratoga NY June 1889. The book has 27 pages and an insert of a letter on translucent paper re rules. The letter is dated St Thomas, Sept. 2, 1899 and signed Robert Potts. On front cover reads "Robert Miller - Master Car Builder and Approved E.C. Brown - General Sup't."