The documents are from Record Group 59, general records of the Department of State"held at the National Archives, Washington, D.C. Accompanied by a printed reel guide, compiled by Blair D. Hydrick, with title: A guide to the microfilm edition of Confidential U.S. State Department central files. The Soviet Union, internal affairs, 1955-1959.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.