1. IOR/R/20/B/580 Reference (shelfmark): IOR/R/20/B/580 Title: File 56/7A of 1938 Reports and Returns: Report on the Social and Economic Progress of the People of the Colony of Aden 1938 Collection Area: India Office Records and Private Papers Languages: English Date Range: 25 Jan 1939-18 Jun 1940 Extent: 1 file