1. IOR/L/E/7/1310, File 2718 Reference (shelfmark): IOR/L/E/7/1310, File 2718 Title: File 2718 Sillimanite - Rate of royalty to be levied Collection Area: India Office Records and Private Papers Languages: English Date Range: 22 May 1923-3 Sep 1923 Extent: 1 file