Senn, Alfred Erich.
Readings in Russian political and diplomatic history /
Alfred Erich Senn 
. - Homewood : Dorsey Press,  1966- 
. - v.  23 cm. 
 - Dorsey series in European history .
<br/> V. 1. The Tsarist period  <br/>  V. 2. The Soviet period <br/>