French documents collected by Sir George Fordham relating to posts, routes and cartographers in 18th century France including a receipt and two letters signed by Jacques Cassini; a memoir and a letter of Pierre Tardieu and papers of Rigoley d'Ogny including three letters.

Papers of Hugh Robert Mill including manuscript and printed papers relating to Antarctic whaling expeditions; collection of approximately 200 letters to Mill from officers of the Royal Geographical Society chiefly concerning the affairs of the RGS, 1847-1944; collection of approximately 800 letters to Mill from geographers, travellers cartographers and others, 1833-1944; 'Daily Doings', two volumes, 1861-1919 and 1920-1945, which briefly record the events of each day, contain lists of Mill's published works and the appointments he held, and are indexed by personal and place names.