1. DMO/ADD/19 Reference (shelfmark): DMO/ADD/19 Title: The Raid of the Yonnies on Songotown, 24th November 1885. Prepared in the Intelligence Branch, War Office, by Captain J.K. Trotter, R.A.' 'Confidential. Collection Area: Map Collections Languages: English Date Range: 1886 Extent: 1 booklet (4p.), with 2 maps.