Edward C. Keefer (1973). "Great Britain and Ethiopia 1897–1910: Competition for Empire". International Journal of African Studies. 6 (3): 470. doi:10.2307/216612. JSTOR216612.
Cohen, John M. (1974). "Peasants and Feudalism in Africa: The Case of Ethiopia". Canadian Journal of African Studies. 8 (1): 155–157. doi:10.2307/483880. ISSN0008-3968. JSTOR483880.
Schaefer, Charles (1992). "The Politics of Banking: The Bank of Abyssinia, 1905–1931". The International Journal of African Historical Studies. 25 (2): 361–389. doi:10.2307/219391. ISSN0361-7882. JSTOR219391.
Edward C. Keefer (1973). "Great Britain and Ethiopia 1897–1910: Competition for Empire". International Journal of African Studies. 6 (3): 470. doi:10.2307/216612. JSTOR216612.
Ellis, Gene (1979). "Feudalism in Ethiopia: A Further Comment on Paradigms and Their Use". Northeast African Studies. 1 (3): 91–97. ISSN0740-9133. JSTOR43660024.
Cohen, John M. (1974). "Peasants and Feudalism in Africa: The Case of Ethiopia". Canadian Journal of African Studies. 8 (1): 155–157. doi:10.2307/483880. ISSN0008-3968. JSTOR483880.
Schaefer, Charles (1992). "The Politics of Banking: The Bank of Abyssinia, 1905–1931". The International Journal of African Historical Studies. 25 (2): 361–389. doi:10.2307/219391. ISSN0361-7882. JSTOR219391.
Antonicelli 1975, p. 79. Antonicelli, Franco (1975). Trent'anni di storia italiana: dall'antifascismo alla Resistenza (1915–1945) lezioni con testimonianze [Thirty Years of Italian History: From Antifascism to the Resistance (1915–1945) Lessons with Testimonials]. Reprints Einaudi (in Italian). Torino: Giulio Einaudi Editore. OCLC878595757.
Ellis, Gene (1979). "Feudalism in Ethiopia: A Further Comment on Paradigms and Their Use". Northeast African Studies. 1 (3): 91–97. ISSN0740-9133. JSTOR43660024.
Cohen, John M. (1974). "Peasants and Feudalism in Africa: The Case of Ethiopia". Canadian Journal of African Studies. 8 (1): 155–157. doi:10.2307/483880. ISSN0008-3968. JSTOR483880.
Schaefer, Charles (1992). "The Politics of Banking: The Bank of Abyssinia, 1905–1931". The International Journal of African Historical Studies. 25 (2): 361–389. doi:10.2307/219391. ISSN0361-7882. JSTOR219391.