Letter from Henry Thomas Colebrooke to Nathaniel Wallich in which he describes the measures that he has taken to obtain an assistant for Wallich. He regrets the delay in Wallich receiving his publications. He remarks on geological specimens and asks Wallich to thank Capt. G. for the vocabulary of the Kunawar language and is unsure whether to deposit it in the Company's Library or that of the Royal Asiatic Society. He discusses his forestry plantations and the possibility of Wallich obtaining leave. He appends a memo concerning geological specimens. Handwritten, dated 27 July 1825, received 10 December 1825.

Letter from Henry Thomas Colebrooke to Nathaniel Wallich in which he confirms the remittance for the Botanic Library by the East India Company Court of Directors. Colebrooke is on board boat headed for the Cape where he will stay a short time before returning to Europe. Dated 18 December 1821, received 24 March 1822.

Letter from Henry Thomas Colebrooke to Nathaniel Wallich concerning how the terms for distribution of plants and seeds is nearly agreed and that Colebrooke reports Wallich's friends are eager to receive their share. Colebrooke is petitioning for Wallich to have an assistant. Colebrooke is pleased that Wallich is pursuing introducing plantations of Sipos timber. In a postscript Colebrooke promises to send an account with Richardson's bill but meantime could Wallich return the first account as Colebrooke has mislaid his copy. Handwritten, dated 10 January 1824, received 19 May, 1824.

Letter from Henry Thomas Colebrooke to Nathaniel Wallich in which Colebrooke thanks Wallich for his report on his journey to the Tipoo forests. He would be glad to see maps that Wallich has promised and the map that should have accompanied Gerard's Journal has not arrived at India House. This Journal has furnished a paper for the Transactions of the Royal Asiatic Society. He has yet to see Wallich's Tentamen Florae Nepalensis and will happily receive a copy from Wallich. He reassures Wallich concerning his reputation but adds that nothing, as yet, has happened at India House concerning appointment of an assistant. He discusses furlough and provision of publications. Handwritten, dated 21 February 1826, received 28 June 1826.

Letter from Henry Thomas Colebrooke to Nathaniel Wallich. Colebrooke hopes that Wallich has returned from his Eastern excursion In good health. He writes that Wallich communication from Rangoon provided evidence of what may be found there. He discusses Richardson and whether to transfer Wallich's business to another bookseller. He thanks him for all his communications and adds that the copies of Wallich's Tentamen that Colebrooke received have been distributed as Wallich suggested. Handwritten, dated 15 March 1827, received 14 September 1827.