1. Security, clans and tribes : unstable clans in Somaliland, Yemen and the Gulf of Aden /: unstable clans in Somaliland, Yemen and the Gulf of Aden. (2014) Authors: Lewis, Alexandra; Rueschemeyer, Marilyn Record Type: Book Extent: 1 online resource View Content: Available online (eLD content is only available in our Reading Rooms) ↗