The accepted proposal of Lavrentiy Beria to execute former Polish army and police officers in NKVD prisoner of war camps and prisons, 5 March 1940
Лаврентий Павлович Берия
1940-03-05
<ul><li>РГАСПИ  Ф. 17 оп. 166 дело 621 лист 132. Подлинник. Scan from <a rel="nofollow" class="external free" href="http://katyn.ru/index.php?go=Pages&amp;in=view&amp;id=6">http://katyn.ru/index.php?go=Pages&amp;in=view&amp;id=6</a></li>
<li>This is a colour photocopy of official document legally transferred into the property of Polish Government, and first published in Poland, by Government of Poland in 1993.</li></ul>