Booklets: - The Danube-Oder Canal Arguments and Comments by Josef Ritter Von Wenusch - A Traffic History of the Mississippi River System by Frank Haigh Dixon - Railway Freight Rates Inland Waterways and Canals in France by Frank H. Mason - Inland Waterways and Canals and Railways Rates of the United Kingdom by John L. Griffith - Railway Freight Rates, Inland Waterways and Canals in Holland by Henry H. Morgan - Railway Freight Rates, Inland Waterways, and Canals of Germany by A. M. Thackara - Railway Freight Rates, Inland Waterways and Canals in Belgium by Ethelbert Watts - Railway Rates, Inland Waterways and Canals in the Russian Empire by John H. Snodgrass - Some observations on Water Transportation, an address by Brig. General William M. Black - The Relation of Inland Waterways to Naval Efficiency, and address by Admiral William S. Benson - The Potentiality of Waterways, address by Joy Morton - Inland Water Transportation, Hearings on the subject of Inland Water Transportation on the Mississippi, Missouri, and Ohio Rivers, the Black Warrior - Warrior- Tombigu River System, Alabama, and the New York State Barge Canal - Inland Water Transportation, Hearing so the subject of Inland Water Transportation held before the Committee on Rivers and Harbors, House of Representatives - Inland Waterway Systems, Statement of Honorable Herbert Hoover, Secretary of Commerce, before the Committee on Rivers and Harbors, House of Representatives - The Assuan Reservoir and Lake Mmoeris, address by Sir William Willcocks - Tariff Act of 1922 - Report of the Collector - General of Customs for the Period of Jan. 1, 1921 - Dec. 31, 1921 - Report of the Collector - General of Customs for the period of Jan.1, 1923 - Dec. 31, 1923 - Memoria del Recaudador General de Aduanas par el Periodo de Enero 1, 1922 - Diciembre 31, 1922 y las Estadisticas del Comercio de 1922 - Report of the Collector - General of Customs for the period of Jan. 1, 1919 - Dec. 31, 1919 and the statistics of commerce of 1919 - Plan de reforma Monetana pare Nicaragua, 1923 - The Port of Hamburg and the Lower Elbe - Questions to be considered by subcommittees of the National Waterways Commission - The Royal Commission of Canals and Waterways - River of China, Korea, and the Russian Far East - Questions for Consular Officers in Europe, to follow letter from the State Department - Canals and Navigable Rivers in the District of Berlin, Germany - Tabulated Statement relating to Internal Waterways improved by the U. S. Government