Numeral systems of Mexico and Central America / by Cyrus Thomas.
- Thomas, Cyrus, 1825-1910.
- Date:
- [1901]
Licence: In copyright
Credit: Numeral systems of Mexico and Central America / by Cyrus Thomas. Source: Wellcome Collection.
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Licence: In copyright
Credit: Numeral systems of Mexico and Central America / by Cyrus Thomas. Source: Wellcome Collection.