1. IOR/R/20/B/3291 Reference (shelfmark): IOR/R/20/B/3291 Title: File 12404/3 Western Aden Protectorate: Accession of Upper 'Aulaqi Sultanate to the Federation Collection Area: India Office Records and Private Papers Languages: English Date Range: Oct 1961-Feb 1962 Extent: 1 file