1. IOR/R/20/B/3567 Reference (shelfmark): IOR/R/20/B/3567 Title: Geological observations in northern Hadhramaut, 1954-1955 Z. R. Beydoun & E.K. Elliot, PCL Geological Dept [with maps & photographs] Collection Area: India Office Records and Private Papers Languages: English Date Range: 1955 Extent: 1 file