1 invitation from Mr. and Mrs. Huntington Hartford, 1964, typescript 1 invitation from Mrs. William Randolph Hearst, no date, typescript and handwritten in ink 1 letter from David Hicks, 1961, typescript and handwritten in ink 1 telegram, 1947, typescript 1 invitation from Stanley M. Isaacs, 1968, typescript 1 invitation from Just One Break, 1963, typescript 1 invitation from Lieutenant General and Mrs. Geoffrey Keyes, 1950, typescript and handwritten in ink 1 invitation from Kongress Der Internationalen Musikwettkämpfe, 1950, typescript 1 invitation from Der Landeshauptmann von Salzburg, 1973, typescript 1 invitation from Mr. and Mrs. Chester James LaRoche, 1968, typescript 1 letter from Library and Museum of the Performing Arts, 1974, typescript 1 letter from William S. Lieberman, 1969, typescript and handwritten in ink 1 telegram from Leolia Lindsay, Gloria Gurney, Connie Byers and Desmond Buinness, 1970, typescript 1 invitation from Mr. and Mrs. Walter Lippmann, no date, typescript and handwritten in ink 1 invitation from Eliza Lloyd and Timothy Mellon, 1956, typescript 1 letter from W.S. Maugham, 1949, typescript and handwritten in ink 2 invitations from Lady Gwen Melchett, 1966 and 1972, typescript and handwritten in ink 1 postcard from Marlborough-Gerson Gallery, 1967, typescript 2 invitations from Mr. and Mrs. Paul Mellon, no date and 1968, typescript and handwritten in ink 1 invitation from Sir Charles and Lady Mendl, no date, typescript and handwritten in ink 1 invitation from Metropolitan Museum of Art, no date, typescript 1 letter from Museum of the City of New York, 1969, typescript and handwritten in ink 1 letter from Mrs. Lytle Hull, 1965, typescript 1 letter from New York Board of Trade, 1946, typescript 1 invitation from New York City Ballet, 1973, typescript 1 invitation from Mrs. Bliss Parkinson, no date, typescript and handwritten in ink 1 telegram from Joan and Charley Payson, 1959, typescript 1 invitation from Mr. and Mrs. Reginald Perry, 1948, typescript 1 invitation from Cole Porter, no date, typescript and handwritten in ink 1 invitation from Bill Powell, no date, typescript and handwritten in ink 1 invitation from Quadrangle, 1974, typescript