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Charts & Graphs trade
Unintended consequences of cultural exchange.
Diplomatic gifts animal, vegetable, and mineral.
Transforming the earth to move goods.
Fair (and not so fair) exchanges in the natural world.
Tales of human collateral.
A typology of fictional life swaps.
Pricey fads, then and now.
Products that don’t physically exist.
Follow the barter.
Technology that enables trade.
Long-distance trade routes revealed by archaeology.
