5 page Manuscript written and autograph signed by M.B. Ridgway, General, US Army 
Titled "Tough Talk to a Tough Russian" 
Exact date unknown
First Paragraph:
"It was during my service on the Military Staff Committee and the US Delegation to the Atomic Energy Committee of the UN that I was given additional duties in a field where I felt myself more qualified to serve. I was named as Chairman of the Inter-American Defense Board, the military agency within what then was called the Pan American Union, and which is now the Organization of American States."...
Letter mentions:
  • Act of Chapultepec 
  • Rio Pact
  • North Atlantic Treaty
  • Senator Vandenberg - who served as a United States Senator from Michigan from 1928 to 1951