1. IOR/R/20/B/2595 Reference (shelfmark): IOR/R/20/B/2595 Title: File 23/45 III Trade and Commerce: Report on the geology of Southern Hadhramaut, 1955-1956 [including maps] Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1957-Dec 1960 Extent: 1 file