Ethnologue list of countries where Swahili is spoken Thomas J. Hinnebusch, 1992, "Swahili", International Encyclopedia of Linguistics, Oxford, pp. 99–106 David Dalby, 1999/2000, The Linguasphere Register of the World's Languages and Speech Communities, Linguasphere Press, Volume Two, pg. 733–735 Benji Wald, 1994, "Sub-Saharan Africa", Atlas of the World's Languages, Routledge, pp. 289–346, maps 80, 81, 85
