The collection consists of two series:
Henry Thomas ColebrookeLetter from Henry Thomas Colebrooke to Nathaniel Wallich concerning Wallich's concern on sending specimens to India House and publications to be sent to Wallich from Richardson. There is a postscript in which Colebrooke reports that Law desires to be remembered to Wallich, that the plants have been given to the Horticultural Society and the seeds given to the Court of Directors to distribute among their friends, However, generally, Indian seeds do not germinate in England. Handwritten, dated 6 November 1823, received 31 May 1824.
"H.T. Colebrooke - Memoirs and Autographs", A red calf bound book, containing printed and handwritten material including biographical material concerning Colebrooke, obituary notices for Horace Hayman Wilson, and correspondence from Colebrooke to Nathaniel Wallich. On the inside cover there is a bookplate with "Ex Libris Frederick Hendricks, F.S.S., F.S.A., Knight of Vasa. 1893" and a printed auction listing "226. Colebrook (H.T.) Notice historique sure la vie et les ouvrages de M. Colebrooke par M. C.A. Walckenaer, Paris, 1848, with biographical notices from various periodicals and numerous interesting autograph letter of Colebrooke, half red calf". Frederick Hendricks is an ancestor of the donor who also has family connections with the Colebrooke family.