Koch, Fred C..
The Volga Germans : in Russia and the Americas, from 1763 to the present /

. - University Park ; London  : Pennsylvania State University Press,  1977 
. - XVIII, 365 p. : maps  24 cm. 
<br/><br/> Дарчий напис : п. Koch Fred C..
<br/>К.: Бібліогр. : с. 337-346. 
<br/><label>  ISBN: </label>0-271-01236-6