29 DECEMBER 1967, Page 25

Fachiri and d'Aranyi

Sir: A biography of the violinists Adila Fachiri and Jelly d'Aranyi is to be published next year, and I would be deeply grateful if any of your readers could tell me to whom I should apply for permission to quote from letters written by the following : Hilda Matheson, Roger Fry, Jan Masaryk, Ernest Raymond, G. H. Leigh-Mallory—the Mount Everest climber; and among other family friends, Guy Liddell, Mary L. Macandrew, Baron Palmstierna, P. J. Murray-Smith and Michael