i. 23 October 1832 - Edinburgh - Poor plates of Marsilia for Hooker and Greville's Ferns. Publications.
ii. 24 November 1834 - Edinburgh - (To W.Christy.) Will circulate his request to Faculty. Mr. Ward's treatment of ferns.
iii. Parcels for distribution. Dr. Steudel Welwitsch to the Azores.
iv. 29 September 1839 - Edinburgh - Dried specimens from Jamaica.
v. 31 January 1840 - Edinburgh - Unio Itinerara.
vi. 1 November 1844 - Edinburgh - Publications. Parcels.
vii. n.d. - Edinburgh - (To W.Christy.) Invites Christy and cousin to dinner.