1. IOR/L/PS/11/278, P 2557/1927 Reference (shelfmark): IOR/L/PS/11/278, P 2557/1927 Title: P 2557/1927 Siam: tin mining Collection Area: India Office Records and Private Papers Languages: English Date Range: 16 Mar 1927-15 May 1928 Extent: 1 file