i. 5 July 1851 - Cambridge - Ferns by railway.
ii. 16 October 1851 - Cambridge - Publications. Ferns from Gradner's collection, and promise of New Zealand Ferns from Dr. Sinclair. Wants name of collector of American ferns.
iii. 22 May 1858 - Cambridge - Payments from Mr. Colenso & self. Fries Lichens. Publications.
iv. 19 September 1862 - Cambridge - Sends money. (Note on back; "Sale of March 21 and 22. '61 catalogue nos. 204-247 with prices.
v. n.d. - Cambridge - Orders from catalogue and asks about exotic ferns for sale.