• Acheson, Dean:  1958, January 28

• :  1958, February 27

• Astor, David:  1963, July 13

• :  1963, April 17

• :  1963, March 16

• Bernhard, Prince of the Netherlands:  1962, February

• Bowles, Chester:  1961, June 27

• Brandon, Henry:  1958, February 20

• Eden, Anthony:  1960, June 2

• :  1957, October 18

• Fischer, John:  1958, February 18

• :  1958, March 10

• :  1958, March 27

• Fulbright, J. W.:  1960, November 29

• :  1961, August 12

• Gunther, John:  1961, August 3

• Heath, Edward:  1962, March 30

• Hoover, J. Edgar:  1957, October 16

• Kennan, George:  1958, March 7

• Lindley, Ernest K.:  1958, February 19

• :  1958, April 30

• :  1958, March 6

• Lippman, Walter:  1957, August 10

• :  1959, October 28

• :  1960, October 22

• :  1960, December 3

• :  1961, November 14 (3 letters)

• Lyon, Cecil B.:  1958, June 9

• MacMillan, Harold:  1963, November 28

• :  1964, March 19

• :  1964, February 11

• Pell, Claiborne:  1961, September 8

• Reston, James:  1961, July 12

• Salisbury, Harrison:  1958, March 24

• Schlesinger, Arthur:  1963, March 27

• Wilson, Harold:  1963, March 4