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    What was used, and how

    Each plate cites its sources in place. This page says where the texts come from, what is written by the author, what is a free archive, and what has only been read.

    The sources of the “Incoterms” section

    The section of the plate “The economics of coffee” that explains incoterms cites 10 sources; apart from the plate itself, they point to 5 works, given here once each. The section keeps its own numbered list.

    The sources of the method sheets

    The 29 method sheets of plate XV cite 154 distinct sources, arranged here in alphabetical order. A source cited by several sheets appears only once, with the sheets that cite it; each sheet keeps its own numbered list.

    The sources of the plate “Coffee regulation”

    The 12 sections of plate XXII cite 198 sources, of which 151 are distinct once duplicates are removed (same address, or same reference without an address). They are arranged here in alphabetical order; each section keeps its own numbered list.

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