1. IOR/R/20/B/3566 Reference (shelfmark): IOR/R/20/B/3566 Title: Report on the geological reconnaissance in northern Hadhramaut, 1953-54 Z.R. Beydoun & E.M. Melvill, PCL Geological Dept [with photographs & maps] Collection Area: India Office Records and Private Papers Languages: English Date Range: Nov 1954 Extent: 1 file