1. IOR/R/20/B/570 Reference (shelfmark): IOR/R/20/B/570 Title: File 56/2 of 1940 Reports and Returns: traffic in opium and other dangerous drugs: annual reports by governments who are members of the League of Nations Collection Area: India Office Records and Private Papers Languages: English Date Range: 29 Apr 1940-13 Mar 1941 Extent: 1 file