•Copy of the title page of his ‘Report on an Exploration on the North East Frontier, 1913
Sans titre•Letter dated 29 Jan 1862 to Dr. Thos. Anderson – item 185 in bound volume filed under “Anderson, Dr. Thos.” – Box 2
Sans titre•Printed Pamphlet of a ‘Supplement to the Botanic Garden Guide’ (1864)
Sans titre•Copy of letter from W.J. Hooker regarding a selection of plants from the Arctic Herbarium, put into Hooker’s hands by Capt. Parry, for publication in the appendix to Capt. Parry’s 2nd voyage (1821 – 1823).
Sans titre•Memo book titled ‘Agarics: New Records and Observations’ (1938), from Dr. Roy Watling through Alan Bennell
Sans titre•Brief history of the life of Henry Harold Welch Pearson, up to 1902, and list of his publications (24.11.1902)
Sans titre•Letter sent by Pennant to Sir Roger Mostyn M.P., 9th Sept 1783)
•Transcript of a letter sent by Pennant to Sir Roger Mostyn M.P. (09.09.1783), presented by Miss Carruthers, (03.11.1964
Copy of a letter from J.H. Balfour to the Secretary of the Botanical Society (10.02.1841)
Sans titre•Pamphlet entitled, ‘To Dr. William Pitcairne…This Small Tribute to the Memory of a Distinguished Kinsman’
Sans titreLetter to [Gage] from Prain, (11th Dec 1909)
•Manuscript letter to D. Saville from Prain to the Government Cinchona Plantation, Sureil, Kurseong (7th Apr. 1902)