This collection consists of the official records of the Louisiana Purchase Exposition Company, formed to plan and operate the Louisiana Purchase Exposition. The collection consists of records related to the initial conception and planning of the exposition from 1898; the official records of the four divisions of the Louisiana Purchase Exposition Company, namely, the Divisions of Works, Exhibits, Exploitation, and Concessions and Admissions; the minutes of the Executive Committee, the Board of Directors, and the Stockholders; the records of the Committee on Finance and the Legal Department, including the ledgers and account books and material relating to post-exposition litigation; correspondence and other materials related to the restoration of Forest Park; and materials relating to the official history of exposition, including some of the records of the Louisiana Purchase Exposition Historical Association. It includes plans for the Electricity and Machinery Building, Walker and Kimball, architects, Boston and Omaha.