Não informado. (1939). Contributions to american anthropology and history. Carnegie Institution of Washington.
Chicago-referens (17:e uppl.)Não informado. Contributions to American Anthropology and History. Washington: Carnegie Institution of Washington, 1939.
MLA-referens (8:e uppl.)Não informado. Contributions to American Anthropology and History. Carnegie Institution of Washington, 1939.
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