John Gilkison [n.pl.] to William Couper re birds from Sumatra, Malacca and Borneo purchased in Singapore. (2p.), 1839-04-10 Unit ID: 18 Date: 1839-04-10
John Rothenstein (Sheffield) his work on Condor progresses slowly. (2p.), 1937-11-23 Unit ID: R171 Date: 1937-11-23
Joyce Gillett (Chislehurst) to Curator, 09 June 1938-09 June 1938 Unit ID: ff.72-73 Date: 1938-06-09/1938-06-09
Letitia Elton (Oxford) with her memories of meeting Condor. (2p.), 1939-01-18 Unit ID: E117 Date: 1939-01-18
Letterbook of copies of letters made by J.M.W. Executrix R. Birnie-Philip, 1897-1897 Unit ID: LB4 Date: 1897/1897