Extracts from Dawson's logbook, 23 October 1838
Letter, 5 May 1840
Account, 14 March 1840
Notes from a meeting, 20 October 1840
Copy of letter
Brig Denovan
Copy of letter to Horatio Curzon
Letter, 14 July 1842
Report, 22 March, 1842
Estimates, 4 April 1842