1. IOR/L/E/7/1363, File 4513 Reference (shelfmark): IOR/L/E/7/1363, File 4513 Title: File 4513 Shipping - exemption of vessels navigated in ballast from payment of light dues: enquiry as to proceedings of a conference held in London Collection Area: India Office Records and Private Papers Languages: English Date Range: 30 Oct 1924-4 Mar 1935 Extent: 1 file