1. IOR/L/E/6/13, File 691 Reference (shelfmark): IOR/L/E/6/13, File 691 Title: File R 691/1880 - Information as to the manner in which gypsum, or sulphate of lime, was utilised in Germany for manure Collection Area: India Office Records and Private Papers Languages: English Date Range: Oct 1880 Extent: 1 file