1. IOR/L/E/7/1520, File 6472 Reference (shelfmark): IOR/L/E/7/1520, File 6472 Title: File 6472 Mutual arrangements for the Protection of Patents and Designs between parts of the Empire - Enquiry by the Irish Free State Collection Area: India Office Records and Private Papers Languages: English Date Range: 7 Sep 1927-25 Oct 1928 Extent: 1 file