The series consists of 38 letters from Joseph Dalton Hooker to Brian Houghton Hodgson. They have been organised mainly according to a previous listing made of the material, approximately by date.

Letter from Joseph Hooker to Brian Houghton Hodgson in which he writes from his imprisonment. He sends copies of Campbell's letters which will supply Hodgson with the main facts. He includes notes concerning where they have travelled. Hooker writes of his and Campbell's imprisonment and questioning and concludes that it is a "storm in a wash-hand-basin". Handwritten, 26 sides, dated 12 November 1849.

Letter from Joseph Hooker to Brian Houghton Hodgson in which he writes that he had been sent for questioning and when he had asked why he was imprisoned had been given the impression that it was an accident but a necessary one. He continues to write about his and Campbell's discomforts and difficulties but that they are happy that they are now together. He also writes to thank Hodgson for his letter and his concerns and efforts on Hooker's behalf. Handwritten, 28 sides, dated 23 November 1849.

Letter from Joseph Hooker to Brian Houghton Hodgson expressing the distress that he has caused his friends by his present circumstances. He continues outlining his and Campbell's actions and interaction with the Durban and Rajah. Handwritten, 8 sides, with accompanying envelope, dated 5 December 1849.

Letter from Joseph Hooker to Brian Houghton Hodgson in which he hastens to repair the friendship between himself and Hodgson and states how hard it is to bear the accusations against him. He continues to write of the details of their imprisonment. Handwritten, 12 sides, dated 14 December 1849.

Letter from Joseph Hooker to Brian Houghton Hodgson in which he continues to write of the goings on concerning Campbell's and his imprisonment, about a council of chiefs being called but there was much confusion, how he thinks Hodgson has been given a false letter and that the "Dewar is certainly demented". Handwritten, 5 sides, dated 18 December 1849.

Letter from Joseph Hooker to Brian Houghton Hodgson in which he thanks Hodgson for his letters. They have been marched from [the Zeeta]. The Dewar is behaving "most extraordinarily and is greatly agitated". Hooker writes about their latest interview with the Dewar. Handwritten, 4 sides, with accompanying envelope, dated 21 December 1849.

This is a series of documents of correspondence and testimonials reflecting the activities of Brian Houghton Hodgson in the period 1836-1848. Hodgson and his wives were keen collectors of letters and statements that reflected well upon the work in which he was involved.

"Testimonials 1840 & 41" Series of copies of extracts from letters concerning Hodgson's work and abilities particularly concerning his negotiations with the Nepal government. Handwritten, 6 sides, dated 1840-1841.

This series covers all the other correspondence with the Papers of Brian Houghton Hodgson, It ranges in date from 1843 to 1880 and covers personal, political and research interests.