^By 1911 the total volume of trade reached over 50 million gold marks [Haupt, p. 64].
^This line was later extended to the current Cameroon capital of Yaoundé.
参考資料
DeLancey, Mark W.; DeLancey, Mark D. (2000). Historical Dictionary of the Republic of Cameroon (3rd ed.). Lanham, Maryland: The Scarecrow Press. ISBN0-8108-3775-7. OCLC43324271
Gorges, E. Howard (1923). The Great War in West Africa. London: Hutchinson & Co.
Haupt, Werner (1984). Deutschlands Schutzgebiete in Übersee 1884–1918 [Germany’s Overseas Protectorates 1884–1918]. Friedberg: Podzun-Pallas Verlag. ISBN3-7909-0204-7
“German Cameroons 1914”. UniMaps (2004年). 2013年4月4日時点のオリジナルよりアーカイブ。2013年4月4日閲覧。 Map of the territories exchanged between France and Germany at the Treaty of Fez.
Schaper, Ulrike (2012). Koloniale Verhandlungen. Gerichtsbarkeit, Verwaltung und Herrschaft in Kamerun 1884-1916. Frankfurt am Main 2012: Campus Verlag. ISBN3-593-39639-4
Washausen, Helmut (1968). Hamburg und die Kolonialpolitik des Deutschen Reiches 1880 bis 1890. [Hamburg and Colonial Politics of the German Empire]. Hamburg: Hans Christians Verlag. OCLC186017338