1. IOR/L/E/7/1454, File 3454 Reference (shelfmark): IOR/L/E/7/1454, File 3454 Title: File 3454 Trade: United States increase of duty on crude and caustic calcined magnesite Collection Area: India Office Records and Private Papers Languages: English Date Range: Jun 1926-23 Dec 1927 Extent: 1 file