1. IOR/R/20/G/166 Reference (shelfmark): IOR/R/20/G/166 Title: A medical survey of the Western Aden Protectorate, 1939-1940 P W R Petrie and K S Seal London: Colonial Office, Middle East No 66, Dec 1943 typ For the Use of the Colonial Office Collection Area: India Office Records and Private Papers Languages: English Date Range: 1943 Extent: 1 volume