Richard Schomburgk (Adelaide) to Bentham, 18 August 1867-September 1872 Unit ID: ff.3492-3500 Date: 1867-08-18/1872-09
Richard Schomburgk: Australia, Charles Moore: Lord Howe Island and Eclipse Expedition: Lord Howe Island Unit ID: ff.247-250
Richard Yapp (Cambridge, Liverpool) to Ridley (2 letters), January 1901-September 1902 Unit ID: ff.142-144 Date: 1901-01/1902-09