1. IOR/R/20/B/737 Reference (shelfmark): IOR/R/20/B/737 Title: File 67/1 Pt III of 1940 Aircraft: application to the Aden Colony of the International Sanitary Convention, 1926 and the International Convention for Sanitary Control of Air Navigation, 1933 Collection Area: India Office Records and Private Papers Languages: English Date Range: 25 May 1940-25 Nov 1948 Extent: 1 file