Archaelogists on Inca Khipus

See the paper Stable isotope evidence for the participation of commoners in Inka khipu production and other papers at https://st-andrews.academia.edu/SabineHyland. Also https://news.st-andrews.ac.uk/archive/lost-writing-of-the-inkas-discovered/ and this 2018 New Scientist article: We thought the Incas couldn’t write. These knots change everything.

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