East African campaign (World War I) (English Wikipedia)

Nasson 2014, p. 161. Nasson, Bill (2014). "More Than Just von Lettow-Vorbeck: Sub-Saharan Africa in the First World War". Geschichte und Gesellschaft. 40 (2). Vandenhoeck & Ruprecht. doi:10.13109/gege.2014.40.2.160. ISSN 0340-613X.
Schneck 2008, p. 105. Schneck, Peter (2008). "The New Negro from Germany". American Art. 22 (3). The University of Chicago Press: 102–111. doi:10.1086/595810. ISSN 1073-9300. S2CID 191450795.

semanticscholar.org

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Schneck 2008, p. 105. Schneck, Peter (2008). "The New Negro from Germany". American Art. 22 (3). The University of Chicago Press: 102–111. doi:10.1086/595810. ISSN 1073-9300. S2CID 191450795.

ukpublicspending.co.uk

Chantrill 2016. Chantrill, C. (29 November 2016). "Spending / Pie Chart 1914". ukpublicspending co uk. Retrieved 29 November 2016.

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Contey 2002, p. 46. Contey, F. (2002). "Zeppelin Mission to East Africa". Aviation History. XIII (1). Weider History Group. ISSN 1076-8858.
Crowson 2003, p. 87. Crowson, T. A. (2003). When Elephants Clash. A Critical Analysis of Major General Paul Emil von Lettow-Vorbeck in the East African Theatre of the Great War. NTIS, Springfield, VA.: Storming Media. OCLC 634605194.
Louis 1963, p. 207. Louis, Wm. Roger (1963). Ruanda-Urundi, 1884–1919. Oxford: Clarendon Press. OCLC 445674.
Louis 1963, pp. 207–208. Louis, Wm. Roger (1963). Ruanda-Urundi, 1884–1919. Oxford: Clarendon Press. OCLC 445674.
Nasson 2014, p. 161. Nasson, Bill (2014). "More Than Just von Lettow-Vorbeck: Sub-Saharan Africa in the First World War". Geschichte und Gesellschaft. 40 (2). Vandenhoeck & Ruprecht. doi:10.13109/gege.2014.40.2.160. ISSN 0340-613X.
Schneck 2008, p. 105. Schneck, Peter (2008). "The New Negro from Germany". American Art. 22 (3). The University of Chicago Press: 102–111. doi:10.1086/595810. ISSN 1073-9300. S2CID 191450795.
Annuaire 1922, p. 100. "Annuaire statistique de la Belgique et du Congo Belge 1915–1919" [Statistics of Belgium and the Belgian Congo Annual]. Annuaire Statistique de la Belgique et du Congo Belge. Bruxelles: Institut national de statistique for Ministère des affaires économiques. 1922. ISSN 0770-2221.
Statistics 1920, pp. 352–357. Statistics of the Military Effort of the British Empire During the Great War 1914–1920 (online ed.). London: War Office. 1920. OCLC 1318955. Retrieved 23 November 2016.