Letters to Birdwood: D including letters from Samuel and William Digby and Prof [later Sir] Robert Kennaway Douglas, Secretary of the Ninth International Congress of Orientalists
Letters to Birdwood: T-W including letters from Thomas Wardle, John Robinson Whitley, director-general of the German exhibition in London, and Sir Henry Trueman Wood of the Society of Arts
Papers concerning the dispute over the designation of the Ninth International Congress of Orientalists [see also General Correspondence nos 32-44 below]