1 invitation from Mrs. John Alsop Rand and Allston Boyer, no date, typescript 1 invitation from John Richardson, no date and 1972, typescript and handwritten in ink 1 invitation from Baroness Ravensdale, 1961, handwritten in ink 1 invitation from Der Salzburger Festspiele, 1953, typescript 1 invitation from Ruth Ford Scott, no date, typescript and handwritten in ink 1 invitation from Mr. and Mrs. Eustace Seligman, no date, typescript and handwritten in ink 1 invitation from Lady Daphne Straight, no date, typescript and handwritten in ink 1 invitation from Mrs. Valerian Stux-Rybar, 1958, typescript and handwritten in ink 1 invitation from Selected Artists Galleries,1969, typescript 3 invitations from State University of New York at Binghamton, 1968-1973, typescript 1 invitation from Stravinsky-Diaghilev Foundation, 1973, typescript 1 letter from Streatham Hill Theatre, 1935, typescript 1 letter from Taca, Inc., 1969, typescript 1 invitation from Samuel Taylor, no date, handwritten in ink 1 invitation from Turkish Ambassador, no date, typescript and handwritten in ink 1 invitation from Lord and Lady Tweedmouth, 1935, typescript and handwritten in ink 1 invitation from Viennese Opera Ball, 1968, typescript 1 invitation from Barclay Harding Warburton III, 1958, typescript 3 invitations from Wiener Philharmoniker, 1955-1964, typescript 1 invitation from Wiener Staatsoper, 1955, typescript 1 invitation from Mr. and Mrs. Harrison Williams, no date, typescript and handwritten in ink 1 invitation from Sir William and Lady Wiseman, no date, typescript and handwritten in ink 1 invitation from Mrs. William Woodward, no date, typescript and handwritten in ink 1 invitation from Prince and Princess Youssoupoff, 1935, typescript and handwritten in ink 1 invitation from The Zebra Ball, 1964, typescript