1. IOR/R/20/A/3613 Reference (shelfmark): IOR/R/20/A/3613 Title: File 1121 Aeroplanes: Report received from the Imam of Sa'na that two foreign aeroplanes came from the direction of the southern frontier of the Yemen and crossed San'a Collection Area: India Office Records and Private Papers Languages: English Date Range: 1934 Extent: 1 file