Correspondence of Southern Telescope Committee, December 1852-May 1853 Unit ID: MM 12.66-86 Date: 1852-12/1853-05
Correspondence on observation of transit of Venus at Sumatra, October 1760-May 1761 Unit ID: MM 10.114-35 Date: 1760-10/1761-05
Correspondence on publication of observations of colonial astronomers, January 1842-May 1842 Unit ID: MM 11.164-80 Date: 1842-01/1842-05
Correspondence with R. Owen about Fossil mammals of Australia, 1878-02-21 Unit ID: ff. 27-29 Date: 1878-02-21