1. IOR/R/20/C/440 Reference (shelfmark): IOR/R/20/C/440 Title: File 671/38 Ord. Transfer of the Wahidi Sultanates of Balihaf and Bir 'Ali, and 'Irqa and Haura Shaikhdoms, to the control of the Resident Adviser, Mukalla Collection Area: India Office Records and Private Papers Languages: English Date Range: Nov 1938-Jan 1940 Extent: 1 file