1. IOR/L/E/7/1561, File 4448 Reference (shelfmark): IOR/L/E/7/1561, File 4448 Title: File 4448 Medical examination of passengers on the London-Karachi Aeroplane Service Collection Area: India Office Records and Private Papers Languages: English Date Range: 6 Jun 1929-6 Jan 1930 Extent: 1 file