The Amber Routes in Prehistoric Times
Map shows main land and sea amber routes in prehistoric times: the Brenner Pass route, the Rhône-Saône route, and the Vistula route.
To the Ends of the Earth: The Great Travel and Trade Routes of Human History (p. 16)
Facts on File Publications, New York and Oxford, 1984.
Irene M. Franck and David M. Brownstone.
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