Foster, J. W. (1873). Pre Historic races of the United States of America. Second edition (2a. ed.). S.C.Griggs and Company.
Chicago-čujuhus (17. p.)Foster, J. W. Pre Historic Races of the United States of America. Second Edition. 2a. ed. Chicago: S.C.Griggs and Company, 1873.
MLA-čujuhus (9. p.)Foster, J. W. Pre Historic Races of the United States of America. Second Edition. 2a. ed. S.C.Griggs and Company, 1873.
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