1 invitation from Lady Christabel Aberconway, no date, typescript and handwritten in ink 1 invitation from Akademie der Künste, 1973, typescript 1 invitation from Mario Amaya, no date, handwritten in ink 2 invitations from American-Scottish Foundation, 1972, typescript 1 invitation from Mrs. Michael Arlen, no date, handwritten in ink 1 invitation from Mrs. Charles Ausell, no date, handwritten in ink 1 invitation from Austrian Consul General, 1972, typescript and handwritten in ink 1 invitation from Austrian Minister, 1935, typescript and handwritten in ink; with programme 1 invitation from Austrian Legation, 1934, typescript 1 invitation from Isadora and Richard Bennett, 1951, typescript 1 invitation from Bianchini Gallery, 1960, typescript 1 invitation from Brentanos, no date, typescript 1 invitation from Der Bundeskanzler, 1955, typescript and handwritten in ink 1 invitation from Burgtheater, 1955, typescript; with 2 tickets 1 invitation from Mr. and Mrs. Cass Canfield, no date, handwritten in ink 2 invitations from John Spencer Churchill, no date, typescript and handwritten in ink 1 invitation from Mrs. William Constable Breed, no date, typescript and handwritten in ink 1 invitation from Mrs. Gordon E. Cox, 1969, typescript 2 invitations from Jean Dessès, no date, typescript and handwritten in ink 1 invitation from Der Deutsche Botschafter, no date, typescript and handwritten in ink 1 invitation from Mr. and Mrs. Henri G. Doll, no date, typescript 1 invitation from Mr. and Mrs. Kingman Douglass, no date, typescript and handwritten in ink 1 invitation from Marquess of Dufferin and Ava, 1964, typescript 1 invitation from Mr. and Mrs. Paul Elek, 1954, typescript and handwritten in ink 1 invitation from Mr. and Mrs. James Fosburgh, no date, typescript and handwritten in ink 1 invitation from A. Farbe, no date, typescript and handwritten in ink 1 invitation from Desmond Guiness, no date, typescript