1. Sydney Morning Herald, June 8, 1847; June 16, 1847.
2. Launceston Examiner, June 9, 1847.
3. South Australian, May 4, 1847.
4. Illustrated London News, January 9, 1847.
5. DavyH., Nitrous Oxide, Facsimile Reproduction, Butterworths, London, 1973, 556.