Katyn massacre

Nazi sources

 * KATYN MASSACRE execution of Polish officers - Pampalini77, March 30, 2009 (video)

Western sources

 * Katyn massacre - Wikipedia
 * Katyn: The Massacre Stalin Tried To Blame On The Nazis - RFE/RL, April 13, 2018
 * The Katyn Controversy: Stalin's Killing Field - Benjamin B. Fischer, CIA
 * The Katyn Wood Massacre - C N Trueman, The History Learning Site, May 18, 2015.
 * Katyn Massacre - New World Encyclopedia
 * Katyn Forest Massacre - SEVENTEEN MOMENTS IN SOVIET HISTORY (on-line archive of primary sources)
 * Russia posts Katyn massacre documents online - Luke Harding, The Guardian, April 28, 2010
 * Records Relating to the Katyn Forest Massacre at the National Archives - (maps, aerial photographs)
 * The forest of nightmares: The truth about the Katyn massacres - and why Britain turned a blind eye - Guy Walters, Daily Mail, April 16, 2010

Soviet sources

 * The Real Story of the Katyn Massacre- Exposing an anticommunist fabrication - Ella Rule, In Defense of Communism, first published by the Stalin Society, July 2002
 * Katyn - The Espresso Stalinist
 * US Historian: Stalin Not Guilty of Major War Crime Blamed on Him (Katyn) - The Greanville Post, June 14, 2015
 * Katyn: New Facts and Evidence (blog)