Records of Humber Conservancy and the Humber Ports (Records deposited by Associated British Ports and its Predecessors) > Humber Conservancy > Arbitration and Litigation: Humber Conservancy Commissioners > Arbitration between the Humber Conservancy Commissioners and the Hull Joint Docks Committee, 1905 > Hull Joint Dock Act Arbitration: Letters A. M. Jackson to Parliamentary Agents