1. DMO/3/9 Reference (shelfmark): DMO/3/9 Title: 'Yonni Expedition. Staff Diary, Intelligence Report and Medical Report. London: Printed for Her Majesty's Stationery Office, by Harrison and Sons, St. Martin's Lane.' Collection Area: Map Collections Languages: English Date Range: 1888 Extent: 52 pages with 11 maps and views