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. 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.

Letter from Henry Thomas Colebrooke to Nathaniel Wallich in which Colebrooke is pleased that Wallich has now recovered from illness. He reports that the Nepal seeds have arrived and he has distributed them. He will get Mr Richardson to send further publications that Wallich has requested. He writes about Wallich's additions to Flora and other Supplementary papers that he has sent to Colebrooke. Colebrooke has circulated these to other botanists. Handwritten, dated 14 June 1823, received 6 October 1823.

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 regarding providing an annual supply of seeds for his plantations in the Cape. He lists varieties that he would particularly like Wallich to send and asks that they be directed to James Gosling Esq., at the Cape of Good Hope. Handwritten from Cape Town, dated 10 April 1822.