ミハイル・フォーキン
Walker co-wrote a history of The Royal Ballet as well as writing a biography of the company's founder Ninette de Valois. She wrote biographies of the sultan Saladin and the "Sunday Times" dance critic Cyril W. Beaumont. She contributed articles on Anna Pavlova, George Balanchine and Michel Fokine for the "Encyclopædia Britannica".