1. IOR/R/20/A/3861 Reference (shelfmark): IOR/R/20/A/3861 Title: File 1457 Requests of H H the Sultan of Shihr and Mukalla for an engineer to be sent to Mukalla to survey motor route from Mukalla to Shibam Collection Area: India Office Records and Private Papers Languages: English Date Range: 1936 Extent: 1 file