Original 1936 Cotton Belt Route (St. Louis Southwestern Railway Lines) pocket diary printed by George Seelman & Sons Co., Milwaukee, Wisconsin. Maroon leatherette cover with yellow Cotton Belt Route logo on front. Includes calendar for 1936–1937, railway reference tables, lumber and cotton weight charts, and advertising for St. Louis Southwestern RY destinations. Several pages include handwritten notes from the original owner. A scarce piece of American railroad history, especially from the mid-Depression era.