1. IOR/R/20/A/1345 Reference (shelfmark): IOR/R/20/A/1345 Title: File 21/20 Aden Hinterland: Resident's visits to Socotra, Qishn, Mukalla, Shibam, Kathiri, Bir Ali and Balhaf, etc Collection Area: India Office Records and Private Papers Languages: English Date Range: 1933 Extent: 1 file