1. IOR/R/20/E/255, Item 3 Reference (shelfmark): IOR/R/20/E/255, Item 3 Title: Vol II No 6A File 1113 Memorandum by Brigadier-General H M Mason, Political Resident, on the military situation and political aspect of affairs in the Aden Hinterland [especially Dhala] Collection Area: India Office Records and Private Papers Languages: English Date Range: Aug 1904-Oct 1904 Extent: 1 part volume