Thalbitzer, W. (1924) “Erland Nordenskiöld: Deductions suggested by the Geographical Distribution of Some Post- Columbian Words used by the Indians of S. America — Comparative Ethnographical Studies, no. 5. (Göteborg 1922): S. l— 176”., Geografisk Tidsskrift, 27. Tilgængelig hos: https://tidsskrift.dk/geografisktidsskrift/article/view/47329 (Set: 6 december 2025).