Here are some interesting and relevant publications that I used for my thesis and Websites that are interesting for starting to get to know cacao:
UN IPCC Fifth Assessment Report (2014) – Summary for Policy Makers
Grivetti, L.E. and Shapiro, H.Y., 2011. Chocolate: history, culture, and heritage. John Wiley & Sons
Astrid Gutsche, 2014, Los guardianes del cacao. Planeta
G. Wood, R. Lass, 2001, Cocoa 4th Edition. Wiley-Blackwell
http://exhibits.mannlib.cornell.edu/chocolate/ This site is part of an exhibition that ran at Cornell University, it gives a very good overview about the history of cacao
