Norton, Marcy. Sacred Gifts, Profane Pleasures: A History of Tobacco and Chocolate in the Atlantic World (Cornell UP, 2008) Ryan, Órla (2011). Chocolate Nations: Living and Dying for Cocoa in West Africa. Zed Books. Young, Allen M. (2007). The Chocolate Tree: A Natural History of Cacao (Rev. and expanded ed.). University Press of Florida.
Norton, Ma.rcy. Sacred Gifts, Profane Pleasures: A History of Tobacco and Chocolate in the Atlantic World (Cornell UP, 2008) Ryan, Órla (2011). Chocolate Nations: Living and Dying for Cocoa in West Africa. Zed Books. Young, Allen M. (2007) The Chocolate Tree: A Natural History of Cacao (Rev. and expanded ed.). University Press of Florida.