1 box containing constitution, reports, field reports of the Botanical Society of Edinburgh Cryptogamic SectionCryptogamic Society of Scotland (1875 - 1935) (incorporated into the Botanical Society of Edinburgh in 1935).
1 box containing laws, lists of members, conference reports (1903-1937) and photographs
2 boxes containing archives of St Helena, including letters from George Benjamin, notebooks, pictures and correspondence
Cronk, Quentin C. B.1 box of draft copies and final papers for 'Anatomy of British Carices', including photographs and correspondence
Crawford, Francis Chalmers5 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
Cousens, John E.