1. IOR/L/E/7/1474, File 6367(i) Reference (shelfmark): IOR/L/E/7/1474, File 6367(i) Title: File 6367(i) Proposed air route between Calcutta and Singapore Collection Area: India Office Records and Private Papers Languages: English Date Range: 25 Aug 1926-12 Dec 1927 Extent: 1 file