The fonds consists of manuscripts and typescripts; correspondence (includes personal, Bertrand Russell, legal, and newspapers); theatre material; books and journals; reviews of her books;and photographs (many of them theatrical) created by and for Constance Malleson in her life as an actress and writer.The fonds also contains manuscripts, photograph albums containing watercolours by Percy French and other materials belonging to Priscilla, Lady Annesley, which document her life as a member of the Anglo-Irish aristocracy. The fonds has been arranged in to six series: manscripts and typescripts; correspondence; theatre-related material; reviews of books and articles; photographs, art work and realia; books, printed materials and books; Priscilla, Lady Annesley.