//-->
Fruits of Empire : exotic produce and British taste, 1660 - 1800
Walvin, James, (1997)
Consultations among producing countries (on commodities of export interest to the African countries) : United Nations Economic and Social Council ; Economic Commission for Africa ; Organization of African Unity ; Commodity problems and policies
(1970)
Comercio internacional de productos agropecuarios
Wierer, Karl, (1968)