1. IOR/L/E/6/20, File 32 Reference (shelfmark): IOR/L/E/6/20, File 32 Title: File R 32/1881 - Correspondence regarding the experimental manufacture in England of sulphate of quinine and other alkaloids from cinchona bark Collection Area: India Office Records and Private Papers Languages: English Date Range: Nov 1880-Jan 1881 Extent: 1 file