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The Government of Ethiopia
Perham, Margery, (1969)
TWA's services to Ethiopia
Geiger, Theodore, (1959)
Das Entwicklungsland Äthiopien
Meissner, Hans Günther, (1967)
The determinants of dairying and milk use in the old world, ecological, physiological, and cultural
Simoons, Frederick J., (1973)
Rejection of fish as human food in Africa : a problem in history and ecology
Simoons, Frederick J., (1974)
Northwest Ethiopia : peoples and economy
Simoons, Frederick J., (1960)