On September 10, 2012, the U.S. National Archives and Records Administration will release newly declassified materials on the 1940 Katyń Massacre at the U.S. Capitol Building in Washington, DC. The materials will include one thousand pages of source documents on the 1940 Katyń Massacre.
Records Relating to the Katyn Forest Massacre at the National Archives
Records Relating to the Katyn Forest Massacre at the National Archives