Coffee commodity chain

>>>Dear list members,
>>>My name is Francisco Carlos Orlandini and I am preparing my PhD thesis 
>>>in Economic History in Unicamp/Brazil which deal with the European 
>>>immigration in the coffee production in Sao Paulo. I would like to know 
>>>if anyone have any references about the making of the "coffee commodity 
>>>chain" in the XVIIIth and XIXth centuries.
>>>Thanks in advance
>>
>>>Francisco C. Orlandini
>>>Economia/Unicamp
>>>  Brazil