Dubnow, Simon,  1860-1941 <br/><br/>
History of the Jews in Russia and Poland, Volume I (of 3) :  From the Earliest Times Until the Present Day  [electronic resource] / 
Simon Dubnow 
 -  Project Gutenberg,  2012 
 - Project Gutenberg  41547 .
<br/><br/> Public domain in the USA. 
<br/><br/>Electronic text