Kerner, Robert J. <br/><br/>
Urge to the sea  the course of Russian history: the role rivers portages, ostrogs monasteries, and furs 
Robert J. Kerner 
 - Berkeley  University of california Press  1946 
 - xv, 212p.  24cm  maps 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Soviet Union--History
<br/><br/><label>Dewey Class. No.: </label>947  / KER