The Ice Age in North America and its bearings upon the antiquity of man von Wright, George Frederick 1838-1921

The ice age in North America and its bearings upon the antiquity of man von Wright, George Frederick 1838-1921

Report on the terminal moraine in Pennsylvania and Western New York illustrated by a map of Pennsylvania showing the glaciated region, eighteen photographic views of the moraine, a... von Lewis, Henry Carvill 1853-1888, Wright, George Frederick 1838-1921, Cook, George H. 1818-1889

Weitere Verfasser: “… Wright, George Frederick, 1838-1921 …”
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The Ice Age in North America and its bearings upon the Antiquity of Man by G. Frederick Wright With an Appendice on 'The probable cause of Glaciation' by Warren Upham von Wright, George Frederick 1838-1921

Asiatic Russia von Wright, George Frederick 1838-1921

Man and the glacial period von Haynes, Henry W.

Weitere Verfasser: “… Wright, George Frederick 1838-1921 …”