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•Papers regarding the Victoria Botanic Gardens, Southern Cameroons (1916-1961)
•Papers regarding horticulture and agriculture in Southern Nigeria (1906)
•Illustrations, drawings and abstracts.

•A revised copy of ‘The Scottish Naturalist: Revision of the Uredineae and of the Ustilagineae of Scotland’ (1899) submitted to the Scottish Cryptogamic Society,
• Some correspondence and information regarding a proposed memorial for him.

•Letter to from J. Newman from to H. Watsonby (14 Feb 1871)

•Catalogue of Micrographs of woods structure

•Correspondence with Jonn Mackay (1800-1801), G.A. Walker Arnott (1828), P. Neill (1828), J. McNab (1834), R. Graham (1826), and also referenced to correspondence with G. Don (1802-1812) and W.M. McNab (1818 and 1823).

drawings and photographs used to illustrate Mann's thesis and drawings on permatrace used in other publications.

Added in 2020 (RBGEA2020/007):

3 sets of postcards depicting algae or diatoms as follows:

• 3 envelopes of Algal picture postcards from M. Adei; Scanning electron micrographs of diatoms (1994); Marine algae in coral reef (1993); and Algal vegetation in cold current area (1993)
• pack of 12 poscards from the British Bryological Society (1994)
• pack of Stereographs of the Diatom World, The Educational Association of Algae (2002)

One Field diary produced by the Wild Flower Society in which wild flowers are listed. Judith Basden has filled in dates and locations for ones she has found giving us a botanical record for the area mainly around Bonnyrigg.

The 28 photographs in this series, taken by Pietro Guidi in San Remo, Italy, in the 1870s formed part of the Photographic Flora of San Remo, supervised by local pharmacist Francesco Panizzi. Each photograph has a Latin name, locality and a flowering time and som are hand coloured.

Small card guide produced by Charles Gane of Charles Gane & Co., Timber, Lath and Slate Merchants, Wisbeach, outlining how to calculate the cost of lengths of timber, published by William Rider and Son, at the Office of the Timber Trades Journal, 14 Bartholomew Close, London. There is an accompanying notebook, blank, but with columns for No., Length, Girth, Contents and Cost.

36 pages of copied seed sowing records made at Ascreavie by David Smith