1. IOR/R/20/B/572 Reference (shelfmark): IOR/R/20/B/572 Title: File 56/2B Reports and Returns: League of Nations: Minutes of the proceedings of the Advisory Committee on traffic in opium and other dangerous drugs Collection Area: India Office Records and Private Papers Languages: English Date Range: 4 Mar 1940-16 Mar 1940 Extent: 1 file