1. IOR/L/E/6/5, File 190 Reference (shelfmark): IOR/L/E/6/5, File 190 Title: File R 190/1880 - Report on the Bengal Cinchona Febrifuge by Dr J E De Vrij, dated The Hague 1st September 1879 Collection Area: India Office Records and Private Papers Languages: English Date Range: Sep 1879-Feb 1880 Extent: 1 file