United States. National Archives and Records Administration
Copyright Holder: United States. National Archives and Records Administration
11 microfilm reels (digitized), 35 mm 44 microfiche, digital images,
Includes reports, evidence documents, investigation results, and other materials relating to the committee’s investigation on the Katyṅ Forest Massacre,1940 (Murder of the Polish officers and Polish intelligentsia).
U.S. House of Representatives Select Committee to Conduct an Investigation of the Facts, Evidence and Circumstances of the Katyn Forest Massacre, 82nd Congress, 1st Session (RG 233)