The Geographical Magazine, July 1877, with article "The Himalayan System" by Trelawny W. Saunders, pp. 173-182, and report of the Proceedings of the Royal Geographical Society's meeting of 14 May 1877 concerning Pundit Nain Singh's Journey in Great Tibet, from Leh, in Ladakh, to Lhasa, and his Return to India via Assam, pp. 191-192. Printed material with annotations, 1 item, dated July 1877.

Copy of a Letter from Brian Houghton Hodgson to the Editor of the Geographical Magazine in which he writes about seeing the topic of trans-Himalayan commerce in the current issue of the magazine and then continues to air his opinion. Handwritten, 3 pieces, 9 sides, dated 16 May 1877.

"Letter from Dr Campbell, on the Elevation of Peaks in the Himalaya, &c.: To the Secretaries Asiatic Society, Calcutta". Unbound pamphlet concerning the results of the Great Trigonometrical Survey of the Himalaya in 1847. With Hodgson's annotations, 3 pages, dated Darjeeling, 23 November 1848.

Letter from Richard Strachey to Brian Houghton Hodgson in which he explains that he is about to depart on a trip into the Himalayas to undertake sectional drawings of geology and to find specimens. He asks for Hodgson's help in providing the Bhutan or Tibet names on the catalogue that has been sent with the requirements of the India House Museum. He also asks if Hodgson can tell him where he may find a copy of Hodgson's own catalogue. He offers his help in sourcing specimens for Hodgson. Handwritten, 3 sides, dated 25 February 1848.

"Routes from Darjeeling to Thibet by A. Campbell, M.D. Superintendent of Darjeeling". Unbound pamphlet outlining six different possible routes. Front page bears inscription: "To Brian Hodgson with the affectionate regards of Archie Campbell, Keti Bootan [Fenau] Feby 19th 1849]. Printed by Baptist Mission Press, Calcutta, 1848.