The Katyn forest massacre :  Hearings before the select committee (...) ; Second session (...).  Part 4. 

 - Washington :  US Government Printing Office,  1952. 
 - pp. 503-1228 :  24 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Katyn Massacre, Katyn, Russia, 1940.