Correspondents include Air France; Alliance Assurance Company: Amplivox Ltd, on hearing aids; Banque National pour le Commerce et L'Industrie, Monte Carlo; British European Airways [BEA]; British Overseas Airways Corporation [BOAC]; Cartier Ltd, London; Commercial Union Assurance Co. Ltd, London; Thomas Cook & Son Ltd, Travel Agents, London, Alfred Dunhill Ltd, London; A Durr & Co, Cigar Manufacturers, Zurich, Switzerland; Editions de la Paix, Brussels, Belgium, on French edition of "Painting as a Pastime"; Films (list of films seen at Chartwell, 1963-64); W & G Foyle Ltd, Booksellers, London; Harrods, London; Hotel de Paris.