Man and the glacial period Wright, G. Frederick (George Frederick), 1838-1921 creator Haynes, Henry W. (Henry Williamson), 1831-1912 contributor text book New York D. Appleton and Co 1895 1895 2d ed.
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ENG Glacial epoch Prehistoric peoples QE697 .W97 1895Z International scientific series, vol. LXIX https://www.biodiversitylibrary.org/bibliography/60815 3824766 10.5962/bhl.title.60815 KEU