1. IOR/V/27/640/2 Reference (shelfmark): IOR/V/27/640/2 Title: Silver, A H, A note on the possibility of utilising reh or sajji mitti (efflorescent deposits on usar lands) for the manufacture of commercial alkalis. Cawnpore, 1917 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1917 Extent: 1 volume