1. IOR/L/E/7/970 File 5404 Reference (shelfmark): IOR/L/E/7/970 File 5404 Title: Prohibition of transhipment of opium at Singapore, except to British Possessions or Protectorates, Siam and French Indo-China Collection Area: India Office Records and Private Papers Languages: English Date Range: 7 Jul 1919-30 Aug 1919 Extent: 1 file