Royal Geographical Society Correspondence Block, 1921-1930, consists of correspondence with the Society covering administrative matters as well as all aspects of geography and exploration throughout the world. These files contain incoming letters only, replies are held separately in the out-letter books. Authors include the Alpine Club, Charles Frederick Arden-Close, John Baddeley, Brig R A Bagnold, Dr John Ball, Louis Charles Bernacchi, Brig Gen Clarence Dalrymple Bruce, Commader Richard Evelyn Byrd, Sir Douglas Carruthers, Gertrude Caton-Thompson, Maj Robert Ernest Cheesman, Augustine Courtauld, Sir Percy Cox, Frank Debenham, George Miller Dyott, Lincoln Ellsworth, Filippi de Filippo, Rosita Forbes, Sir George Fordham, Sir Douglas William Freshfield, Sir Harry Hamilton Johnston, William Joseph Harding King, Dr Tom George Longstaff, Halford J Mackinder, Sir Douglas Mawson, Dr Hugh Robert Mill, Fridtjof Nansen, Mrs Wilhelmina Ness, Edward Felix Norton, Noel Ewart Odell, Harry St John Philby, A Hamilton Rice, Hugh Ruttledge, Frank S Smythe, Michael A Spender, Prof James Alfred Steers, Vilhjalmur Stefansson, Sir Mark Aurel Stein, Sir Percy M Sykes, Prof Eva G R Taylor, Bertram Thomas, Frank Kingdon Ward, James Mann Wordie, Sir Francis Younghusband and Henry Gino Watkins.