4 folders containing Donald Pigott's notes and photos relating to his research on Tilia:
1: Photographs of living Tilia; folder of labelled photographs of living trees taken by Donald Pigott
2: China 1993, 1995; folder of notes on Donald Pigott's China trips in 1993 and 1995
3: Chinese Visit; folder detailing further Chinese trips taken by Pigott, includes 1993 and 1995.
4: Tilia Types, China; a folder containing good images / copies of Tilia type herbarium specimens from China.
1 folder of original drawings by Professor Donald Pigott; A collection of drawings, both in pencil and ink, of leaves and flowering parts of different species of Tilia, the subject of his monograph (Lime-trees and Basswoods; A Biological Monograph of the Genus Tilia; Donald Pigott, Cambridge University Press, 2012, ISBN 978-0-521-84054-5)

222 black and white photographs in 13 envelopes, some of which date between 1952-1957), presumably all taken by David Wilkie of RBGE and passed to (Charles) Trevor Jephcott. The subjects are all horticultural, with two notable groups, rhododendron and campanula.

Set of material relating to David Wilkie and his work including:
book of typed notes on gentians
Wilkie's typewriter
3 photograph albums of plants at RBGE
wooden box of microscope slides

5 maps: Baghdad, Resht, Teheran, Tabriz and India and the adjacent countries.
1 box of personal and miscellaneous papers

• includes paper on 'A Survey of the Anatomy of the Rhododendron Leaf in relation to the Taxonomy of the Genus' by S.F. Hayes, J. Keenan and J.M. Cowan : for publication in Notes Roy. Bot. Gard. Edinburgh 21 (1), 1–34.
• 'The Rhododendrons of India' by J.M. Cowan.

3 Oak survey notebooks relating to oak specimens collected by J.Cousens in the 1960s which are now in the Herbarium