Changes

:[https://books.google.co.uk/books?id=kKVdAAAAcAAJ&pg=PA1 ''Statistical Reports on the Health of the Navy, for the years 1830, 1831, 1832, 1833, 1834, 1835 and 1836, etc.''] [A reprint of part 1, without the Appendices]. 1841 Google Books

:[https://books.google.com.au/books?id=aS8TAAAAYAAJ&pg=PR1 ''Statistical Report on the Health of the Navy for the Year 1871''] ''Parliamentary Papers, House of Commons and Command, Volume 46'' 1873. Google Books.

*[https://books.google.com.au/books?id=NNsSAAAAYAAJ&pg=PP7 ''Navy Estimates''] ''Parliamentary Papers, House of Commons and Command, Volume 35'' 1863. Google Books. Includes

**[https://books.google.com.au/books?id=NNsSAAAAYAAJ&pg=PA109 "China"]